High-technology and advanced wireless remote control products always bring us a lot of convenience and benefits in daily life and some special fields, such as this 4-Channel CDTF-1000-4B Wireless Remote Control Transmitter, which is widely used in the field of electronic door, window, strobe, industrial control and the security alarm system. Our wireless remote control transmitter is featured with strong anti-interference, stable performance, high reliability and low consumption. The best protector and assistant in security and protection. You deserve it! Features New and high quality Compact design and easy to operate Low power consumption Use for electric curtains, rolling shutters, car park control Launch big power and long remote control distance Strong anti-interference, stable performance and high reliability Widely used in the field of electronic door, window, strobe, industrial control and the security alarm system SpecificationsChannel (keys)4 ChannelPower Supply1 x 23A/12V Battery (Not Included)Control Zone4 Lines ColorWhiteDimensions(8.5 x 3.8 x 1.5)cm/ (3.35x 1.5 x 0.59)" (L x W x H)ModelCDTF1000-4BWeight30g / 1.06oz Package Includes1 x 4-channel Transmitter