Specifications:

• Origin: CN(Origin)
• Type: Smoke Detector
• Transmission frequency: 433.92, Transmitting Code 1527 Protocol
• Quiescent Current: <1uA
• Powered supply: DC9V/6F22
• name: Wireless Smoke Detector
• Model Number: 433MHz Wireless Smoke Detector I
• Launch distance: Open distance more than 200M, (external aerial 500 meters)
• Brand Name: LESHP
• Ambient temperature: emperature -10 C +60C
• Alarm loudness: Loudness≥85dB
• Alarm current: <40mA