Please note: This transmitter not for Cloning or face to face copy or duplicating. If you are a freshman about RF remote control system, please buy other duplicating/cloning /copied transmitter. Features: * Remote control distance is 0-1000M (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 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. Specifications: Channel: 1/2/3/4/6/8CH Remote Control Distance: 0-1000M(Open area) Encode: PT2262 Frequency: 433MHz Power Supply: 1 * 12V 23A Battery (NOT included) Standby Current: 0mA Working Current: >80mA Modulation System: ASK Working Temperature: -40 ~ +80 Package Size: Approx. 12*9*1.5cm/4.7*3.5*0.59in Package Weight: Approx. 32g/1.1oz Package List: 1* Remote Controller (without battery)