Product Use1. To bring convenience for families with children, such as urinate at night or feed baby, eliminating the inconvenience of lights in the dark;2. To bring convenience for the elderly and kids to control the switch at night, also for young people, such as lying in bed for reading books, newspapers or watching television, the same convenience to turn off the lights when you want to rest;3. To bring convenience for the cold winter, such as you could turn off the lights when you are lying in the warm bed. Also to bring convenience for avoiding the mosquitoes in summer, such as you could turn off the lights when you are in the mosquito net. Features: RF Wireless, no sound, no directionRemote control independently of each other completelyEasy to installMaterial: ABSApplication Range: Incandescent lamp, energy saving lamp, fluorescent lamp, light pipe, etc. Technical Parameters: Input Voltage: 200-240VPower: Incandescent Lamp≤1000W, energy saving lamp≤250WWorking Environment: < 85Transmitting Frequency: Effective Range: ≤15mLamp Base Size (D x H): Approx. 2.95 x 3.86 inch / 75 x 98 mmRemote Control Size: Approx. 3.74 x 1.50 x 0.59 inch / 95 x 38 x 15 mmPower: 23A 12V Battery (not included)Detail Instructions:1. Install the receiving controller between the lamp and the lamp bulb;2. Open the emitter, put the 23A, an ordinary battery (product standard) into the battery compartment. Then tap the launch button, you could achieve remote control lamp;3. The use of remote control: A total of four buttons including A, B, C and D. Press A to open the receiver, press the A again to take off the receiver Press B to open the receiver, press the B again to take off the receiver Press C to open the receiver, press the C again to take off the receiver Press D to open the receiver, press the D again to take off the receiverPackage Includes:4 x Remote Control Lamp Holder1 x Remote Control1 x Mount for Remote Control