Check the listing for details. USA Dental Medical Doctor Assistant Stool Mobile Chair/Teeth Whitening LED Lamp. Condition: New. Listed at 110.10 USD. Dental Doctor Assistant Stool Adjustable Height Mobile Chair Features:1.Material：Backrest, seat, PU leather or Micro fiber leather, high density rebound foamsuperior injection plastic board2.Cylinder: Standard - Metal Base3.Base: Metal - Fully Powder Coated4.Color：Black/BlueBenefits:1. Adjustment height allows user to operate in comfort through maximum adjustability2.Backrest allows better torso maneuverability3.Seat is perfect for medium to tall users4.Superior cushioning creates unparalleled comfort5.Carpet or hard floor casters glide easily in any environment6.Five-leg powder coated aluminum base provides improved stability7.Choice of different height list mechanisms provides a wide range of adjustment.Specifications:Weight: 27 lbsFloor - Seat Height: 17.32" - 21.66"Back: Width 15" x Height 15"Seat Measurements: Width15.75" x Depth17.32" Dental Mobile Teeth Whitening Machine Lamp Bleaching Cold LED Light Accelerator Description: 1. Simple, light and handy molding design.2.Freely to adjust to any angle position3. Unique semi-circular head design, both arches whitened at the same time.4.10 pcs high power LED, fan-cooled.5.1-20 minutes adjustable timer, suitable for more brands tooth whitening gel.6.Led screen shows all the information. All the operation is so easy.7. It`s suitable for dental chair upright of 45~50 mm diameter. CHARACTER： 1. The special wavelength and high density light speed catalyze whitening gel. 2. 10 powerful LED tubes emit a high intensive cold blue light with an output at 6000 MW/CM2. 3. Special design, innocuous silica gel muzzle, make sure stopping intersectional infection. 4. The new model of power supply make sure steady power output and long- time continuous working even in some cities and places with mutative voltage. 5. Time display is suitable for human design, and could shows treatment time to help dentist master treating time and progress and reduce the waiting time of patient. TECHNICAL PARAMETERS： 1. Power supply: AC100-240V/ 50-60HZ 2. Power: 36W， 12V/3A 3. Light size: 30x80mm 4. Power density: >6000MW/CM2 5. Light timing: 0～20 mins 6. Power instability: