Product Use： &nbsp; 1. To bring convenience for families with children, such as urinate at night baby, eliminating the inconvenience of lights in the dark; &nbsp; 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; &nbsp; 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 in summer, such as you could turn off the lights when you are in the net. Features: Wireless, no sound, no direction Remote control independently of each other completely Easy to install Material: ABS Application Range: lamp, energy saving lamp, fluorescent lamp, light pipe, etc. Technical : Input Voltage: 200-240V Power: ;1000W, energy saving ;250W Working Environment: < 85℃ Transmitting Frequency: Effective Range: &le;15m Lamp Base Size (D x H): Approx. 2.95 x 3.86 inch / 75 x 98 mm Remote Control Size: Approx. 3.74 x 1.50 x 0.59 inch / 95 x 15 mm Power: 23A 12V Battery (not included) Detail Instructions: &nbsp; 1. Install the receiving controller between the lamp and the lamp bulb; &nbsp; 2. Open the emitter, &nbsp;put the 23A, an ordinary battery (product standard) into the battery compartment. Then tap the &nbsp; &nbsp; launch button, you could achieve remote control lamp; &nbsp; 3. The use of remote control: &nbsp; &nbsp; A total of four buttons including A, B, C and D. &nbsp; &nbsp; Press A to open the ① receiver, press again to take off the ① receiver &nbsp; &nbsp; Press B to open the ② receiver, press the B again to take off the ② receiver &nbsp; &nbsp; Press C to open the ③ receiver, press the to take off the ③ receiver &nbsp; &nbsp; Press D to open the ④ receiver, press the to take off the ④ receiver &nbsp; Package Includes: 4 Control Lamp Holder 1 Control 1 for Remote Control