Product Description: Operating Current: 1700mA Operating Voltage: 5V Red Light Rated Power: 8.5W Number of LEDs: 46*0.5W Battery Capacity: 5000mAh Wavelength: 1*660nm; 2*850nm Electromagnetic Field: 0UT Irradiance: 0-inch: 20/25/26mW/mm Timer: Adjustable, increments or decrements by 15 minutes per , up to 30 minutes. 1. Controller: The buttons feature -sensitive design for extended life and a audible click. The heating module has a built-in high- for precise temperature control. 2. and hold the side button for 1.5 seconds to power on. 3. Touch the LED Mode button to switch between ALL (660/850 nm), 660nm, 850nm, and OFF. 4. the LED POWER button to adjust the frequency of each level, L1/L2/L3/L4. 5. Touch the Timer button to select the timer setting. Set the timer to 00 (light off)/15/30/40/timer. Touch the Heater button to set the heating level. Select 00 (off) (heating function off) or 45/50/55/60/65. Light on. Heating on. Color: As shown Material: Ribbon Package Contents: Waist support*1+1m data cable*1+storage bag*1 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.