Make sure this fitsby entering your model number. The wireless signal can pass through walls, floors and doors, strong penetration. Stable and reliable performance, high receive sensitivity and confidentiality, large storage capacity and low energy consumption. The internal circuit design adopts the SMD process and the acoustic surface resonator is used for frequency stabilization. The optional coding chip adopts SC2260/1527, and the power supply is powered by the built-in CR2016 two-cell battery. Generally used in remote control of radio equipment, such as energy-saving lighting, home security systems, industrial or home remote control. You can turn on/off the receiver with transmitter (remote control) from any place within a reliable distance.