ITEM NAME:433MHz Electric Relay Module Wireless Garage Door Remote Control Transmitter 12V Product Description Description: 433MHz DC12V Intelligent 1CH Relay Module Wireless Single Key Remote Control Transmitter for Garage Door/Lamp/Motor Control System Features: 1. The scope of application is wide.This controller is controlled by intelligent microprocessor, which can be used in the control of garage door, lighting control, curtain control, door control system, etc. 2. Easy to install, small size, safe and reliable. Specifications: Operating voltage: DC 12V Operating temperature: -40~80℃ Operating frequency: 433MHz Receive sensitivity: ≠¥-95dB Working Mode: jump switch, inching, self locking(adjustable) Remote control distance: 20-40m/65.61-131.23ft Control panel size: 60*35*22mm/2.36*1.38*0.87" Remote control size: 120*50*10mm/4.72*1.97*0.39" Control panel weight: 29g Remote control weight: 35g Material: ABS Remote control power supply:.Continue to hold down the learning button for about 8 seconds. The indicator light is extended from extinction to success. Connection mode Operation Manual Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.