Features: The shell is made of ABS material, durable and offer you good hand-feeling. Can control 50m transmitting distance in the open environment with stable performance. It has a key ring for convenient carrying and can efficiently avoid being lost. It can be widely used for auto door, garage door, window, anti-theft alarm, industrial control products, etc. Direct replacement for the old or broken one, easy to install. Specification: Condition: 100% Brand New Material: ABS Color: Black Size: 53 * 32 * 12.5mm/2.1 * 1.3 * 0.5in Working Voltage: DC6V Frequency: 433MHz Oscillation Resistance: 274 Coded Format: Learning Code EV1527 Distance: About 50m (no interference in the open environment) Application: Remote control switch, anti-theft alarm, remote control electric roller shutter doors and window, industrial control products Package Weight: Approx. 28g/1oz Package List: 1 * Remote Control