ITEM NAME:3.7V Solar Lamp Circuit Board Control Sensor Night Light Controller Module A#S Product Description Description: Specifications: Material: Glass Fiber Size: 59*19*8mm/2.32*0.75*0.31" Purpose:Usually used in solar lamp controller Induction Mode: Infrared Induction of Human Body Induction Distance: 2-5m Induction time: 25 seconds Light mode: 1. Weak Bright/Full Bright 2. Turn off the lights/turn on all the lights 3. Normally-on 1.Application battery voltage: 3.2V lithium iron phosphate battery / 3.7V lithium battery. Connecting the 3.2V lithium battery requires the battery's own protection board Connecting 3.7V lithium battery does not need the protection board of the battery itself The circuit board has over charge and over discharge protection for 3.7V lithium battery 2. Application led voltage: 2.8v-3.3v. Power