YK04 Wireless Remote Control Kit 4 Channel 315MHz

From the shop's description

YK04 Wireless Remote Control Kit 4 Channel 315MHz The wireless RF remote controls are widely used for data transmitting and signal control and are widely used in remote controlled garage door, curtain door, locks, industrial control and wireless security alarm industry. Transmitter Specs.: Chip: SC2262 Keys: 4 Key Remote Control Channel No.: 4CH Powered By 1 x DC 12V 23A Battery(Not Included Here) Operating Current: 10mA Resonance Mode: ASK Operating Frequency: 315MHZ Transmitting Distance: 120-150M Coding Type: Rolling Code Dimensions: 6 x 3.8 x 1.3cm/2.4″ x 1.5″ x 0.51″(L*W*T) Receiver Specs: Voltage: DC5V Chip: SC2272 -M4 Frequency: 315-433MHZ Dimensions: 4 x 2.8 x 0.6cm/1.6″ x 1.1″ x 0.24″(L*W*T) Package Includes: 1 x IC2262/2272 4 channel 1 x 4 key Wireless remote controller Related Products: Wirless | GPS | GSM