China Home Alarm System Wireless Smoke Alarm Security Systems, Find details about China Fire Alarm, Smoke Alarm from Home Alarm System Wireless Smoke Alarm Security Systems
Technical parameters | Smoke detection | |||
Voltage | DC1.5V*2 AAA | |||
Low battery warning | 2.2V | |||
Current | Alarm current | Quiescent current | ||
≤120mA | ≤2uA | |||
Status display | Standby condition | LED (red) flashes once about every 344 seconds, no alarm sound | ||
Alarm condition or test | LED (red) flashes and continuous alarm is given. | |||
Silence mode | LED (red) flashes every 10 seconds, no alarm sound, automatically quit silence mode about 9 minutes later. | |||
Alarm memory | LED (green) flashes 3 times every 43 seconds, and stops 24 hours later. The first time you press TEST button after alarm is made, the detector will hint by special alarm mode. | |||
End of life | End-of-life warning will be made. The buzzer beeps 3 times every 43 seconds. | |||
Low battery warning | LED (red) flashes every 344 seconds, beeps about every 43 seconds. | |||
Alarm loudness | ≥85dB/3m | |||
Wireless interconnection | Radio frequency | 868MHz | ||
Interlink range | ≥100m (free field) | |||
Interconnection indication | Red LED being steady on means the product needs to learn. Green LED being steady on means the product is ready to send identification code. Green LED flashing means interconnection is completed. | |||
Working temperature | -10ºC~+50ºC | |||
Ambient humidity | ≤95%RH (no condensation) |