1、Easy Operation: Jog mode, self‑locking mode, interlocking mode 3 working modes, and can also perform remote control learning and data clearing. 2、Three modes: The relay has three modes to meet the needs of modification. 3、High Sensitivity: The relay module provides high signal sensitivity with low cost, strong anti‑interference, and long control distance. 4、Stable Signal Reception: The signal of the wireless RF switch can pass through walls, floors and doors for stable control. 5、Wide Application: Applicable to home, shopping mall anti‑theft alarm; electric vehicle, automobile, motorcycle alarm, various door and window controllers and other industrial controls. Item Type: Wireless Relay Switch Material: PCB Working Voltage: DC 12V Reference Distance: Approx. 50m/54.68yd (open without interference)Frequency Deviation: ±0.2MHz Transmission Rate: 50-60KHZ Battery Model: 2 x CR2016 button cells 300mAh (built-in) Coding Method: 1527 learning code Uses: Used for home and shopping mall anti-theft alarms; electric vehicles, automobiles, motorcycle alarms, various door and window controllers and other industrial controls. 1 x Relay