3000m Long Range Distance High Power 1CH Portable Remote Control Key Fob 1 CH RF 433 MHz Transmitter

Features:
* Remote control distance is 0-3000M (Ideal distance without any block and signal interfere, it would rise and fall about 10%-90% with the block and signal interference.)
* 433MHz, strong power, bringing you a new experience of remote control and much convenience in your daily life.
* It is only a common RF remote control(transmitter ). So it is only the professional can buy it alone or who buy our switch then need an additional transmitter.
* Suitable for remote control switches, anti-theft alarm, remote control door locks, remote control electric shutter doors and windows, water pump remote control, industrial control products, etc.
* Stable signal can pass through walls, floors, doors or windows.