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Denjoy® Teeth Whitening Unit at Home

100% of 100

 Guaranty: 12 Months Warranty
 Payment: Western Union / Moneygram / TT
 Shipping: FREE for more than $99– DHL / Fedex / EMS

In stock
    Bulk Price:
  • Qty.Range(unit)
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  • 21
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  • 50


DY411-B-20 blue Cool whitening light is specifically designed for home users of a tooth whitening instrument with 460-472NM blue light intensity. It can solidify the resin coated on the gum and illuminate the teeth with the bleaching gel. The blue cool light activates the Bleaching gel and oxidizes the pigment of the teeth through dentin tubes in the shortest time, discoloring the teeth to sparkling white both externally and internally. The whole process ensures an improvement of five to fourteen shades. It is not a dream to make your teeth shine with brightness. DY411-B-20 type blue cool whitening instrument adopting low temperature cold light source, completely avoid the damage for the tooth nerve during the operation. This blue cool whitening method operation time not very long, the effect can be maintained for more than 2 years. it is the most effective and safest teeth bleaching technology . simple design, smart use of methods to make your teeth bleaching easier .



Mainly by the host, light panel, mouth opener, adapter

1. This product is common continuous-operation equipment classified as Class I Type B application.

2. Simple and practical design, portable, easy for home use, whitening operation is simple.

3. With high-energy lithium battery, can guarantee the continuous operation more than 4 hours to ensure the continuity of whitening.

4. With 20 pcs of high-intensity blue LED cold light source, light source stable and reliable.


A: Main Body

1. Wavelength 460nm-472nm

2. light source high strength blue cool LED light source

3. Voltage ≤ DC4.2V

4. Current  ≤0.4A

5. Consumed power ≤1.68W

6. Net weight about 150g

B: AC adapter

1. rated input voltage AC100~240V 50Hz/60Hz

2. rated input current 0.2A

3. output voltage DC 4.5V



The blue cool light activates the bleaching gel and oxidizes the pigment of the teeth through dentin tubes in the shortest time, discoloring the teeth to sparkling white both externally and internally.

Cool light can active the dydrogen peroxide rapidly and improve the penetration of hydrogen peroxide on the tooth surface .thereby shinning the tooth.

DY411-B-20 instrument applicable to Dental hospitals, Dental clinic, cosmetic institution and home personal teeth whitening.

For home teeth whitening ,choose our company special bleaching gel with carbamide peroxide gel or carbamide peroxide content lower than 16% to do teeth whitening .

Choose more than 16% carbamide peroxide content bleaching gel at the doctor's advice and accompanying .



1. The light source is semiconductor light source, with longer life and good stability. Please contact with the company or the related service person if the light source with abnormal working.

2. Please don’t put the instrument underwater.

3. The light intensity is strong; please avoid the light directly aiming the eyes to protect the eyes.

4. Please avoid putting anything inside the charging hole to protect the machine from shorting out



1. Avoid using the machine in high environmental temperature.

2. Don’t dismantle the machine; contact the manufacturer or the dealer if there is any problem.

3. Pay attention to dust and disinfects processing

4. not used more than 6 months, Must charge the machine 5 minutes to active the li-on battery before use. not used for a long time, must charge the machine 5 minutes each 3 months

5. Working life is about 2 years since the date of purchase.


Shipping and Storage Environment:

1. The environmental temperature range: -40℃ - +55℃

2. The relative humidity range ≤90%

3. The atmospheric pressure: 50—106 Kpa

4. Handle with care



The mouth opener is a consumable product. Replace a new mouth opener to avoid cross-infection for the second tooth whitening.

Please wipe light panel with alcohol to do the disinfection after each teeth whitening or put light panel in transparent PP plastic bags, after each tooth whitening remove the transparent PP plastic bags .


What is included?

light panel 1 set

mouth opener 1 pc

Main Body 1 pc

manual 1 pc

adapter 1 pc

More Information
Manufacturer DENJOY
Products Category Home use Whitening Lamp
Package Size 26*18.5*8cm
Package Gross Weight 0.3kg
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1. All the items at TREEDENTAL store are covered with a warranty. The warranty period is indicated in each item's description.

2. Warranty covers a replacement or repair of the faulty item. Contact us immediately for any issue that might happen to our product within the warranty period which is not man-made. You simply need to fill in the TREEDENTAL International Warranty Form here.

3. Within the warranty period, TREEDENTAL store will be responsible for covering the fee of the new spare parts and their shipping cost into your destination. If the faulty item needs to be sent back to our store for checking and repair, then we will cover the fee of shipping it back to our store. Upon its arrival to our store, we will cover the fee of the repair and ship it back to your doorstep for free also.

4. If your purchased item is out of the warranty period, then you can report the issue to us into [email protected] and our technical support team will issue you a report for the repair fee based on the kind of the fault.

5. Replacement: In case the product received comes with manufacturing defects, the buyers are entitled to request a product replacement within 7 days of receiving the item. To request a replacement, the buyers are required to provide photographic as well as video evidence of the product’s manufacturing defects which can be sent to our email: [email protected] If the case is deemed valid, then we will cover the related cost to deliver a replacement.

The price displaying on website is factory price only, not including any shipping cost, your country’s import tax, customs clearance fee and insurance.

Shipping Cost
We can ship out the goods to you by three ways: Express ( DHL/UPS/FeDex/EMS), Air Shipping or Sea Shipping.

Express is the better way for order which the weight is under 10KG, it normally takes 4-7 days for delivery and delivery to your door directly.

Air Shipping is a good way for heavy order more than 100kg if you need the order urgently. It normally takes 7-10 days for delivery. But you need to do the customs clearance at your airport and pick the goods up there.

Sea Shipping is the lowest-cost way for big order, such as dental chair/dental unit order. It normally takes 30-60 days for delivery. But you need to do the customs clearance at your seaport and pick the goods up there.

The shipping cost which we charge you when you do the Checkout on our website is just for the Express shipping cost, if you want to use a cheaper shipping way, such as Sea Shipping, you need to contact us for the quote.

For the Air Shipping and Sea Shipping, if you don’t want to take the trouble to do the customs clearance and just want goods delivery to your door, we also can do that for you in additional charge.

Import Tax
Different country will have different import tax rate for different items, some country even 0 import tax for dental equipment. So if you want to know the exact import tax rate of the products, you need to inquire your customs department. Our price is not including any import tax, you need to pay it to your customs when the package arrive your country. But you can inform us to make a low value shipping invoice for you to avoid high import tax.

Shipping Insurance
Shipping insurance covers any damage or missing for your order during the transportation, so we highly recommend you to buy it for your large amount order. The insurance premium are as follows:
a.For Express/Air Shipping/Sea Shipping, the insurance premium= the sum insured*1.1*0.0008, minimum insurance premium for each bill is USD 30.
b.For Air Shipping or Sea Shipping with door to door delivery service, the insurance premium= the sum insured*1.1*0.0013, minimum insurance premium for each bill is USD 30.
c.Deductible: USD300 or 0.5% of the sum insured of the whole consignment, whichever is higher.

If you want to buy the shipping insurance for your order, you can buy it together with your order here: Cargo Transportation Insurance,PICC

Let’s take an example for these three different shipping ways (Just for reference):
One set of R7 dental chair shipped to Toronto, Canada.
Package Size: 147*110*153CM
Package Gross Weight:285KG
The value on shipping invoice: USD$4980

Shipping Ways

Shipping Cost You Paid to Treedental (USD$)

import tax (USD$)(For Canada, no duty but 5% GST)

customs clearance fee(USD$)

Delivery charge from airport/seaport to your door(USD$)



3630 250 0 0 30 3910
Air Shipping 2020 250 193 230 30 2723
Sea Shipping 500 250 193 230 30 1203

1 set and 5 stes of R7 dental chair shipped to New York, United States.
Package Size: 147*110*153CM/SET
Package Gross Weight:285KG/SET
The value on shipping invoice: USD$4980/SET

Shipping Ways

Shipping Cost You Paid to Treedental (USD$)

import tax (USD$)

Custom Duty(includ ISF)(USD$)

Seaport Local Charge (USD$)

Warehouse fee (USD$)

Delivery charge from airport/ seaport to your door (USD$)

Customs Clearance Fee (USD$)

Total (USD$)

(DHL/UPS/FeDex/EMS) 1 set
3180 (From factory to your door) 50 0 0 0 0 0 3230
(DHL/UPS/FeDex/EMS) 5 sets
15900 (From factory to your door) 250 0 0 0 0 0 16150
Air Shipping 1 set 2310 (From factory to your airport) 50 0 0 0 0 0 2360
Air Shipping 5 sets 11550 (From factory to your airport) 250 0 0 0 0 0 11800
Sea Shipping 1 set 450 (From factory to your seaport) 50 185 300 415 450 125 1925
Sea Shipping 5 sets 545 (From factory to your seaport) 250 260 715 535 900 125 3330