HK-SG-1124(LoRa) Sounder Strobe

"Power supply: Main power DC 12V 1A (included) Backup power: Lithium battery CR17450 2400mAh, DC 3V Battery life: Alarm: can last for 60 minutes (disposable lithium battery, replaceable) Working current: standby state ≤5μA, alarm state ≤100mA Communication method: LoRa, two-way FSK Alarm volume: ≥85dB@3m (A weighted) Alarm indicator: 1, red: alarm, yellow: fault, green: status (communication, signal, code pairing) Flash frequency: 1Hz~2Hz Modulation cycle: 3 s ~ 5 s Communication performance: open scene 1.5~2km, ordinary wall 3~5 blocks, heavy wall 1~2 blocks. Basement 1 block. Function: signal query, remote alarm, anti-disassembly alarm, undervoltage alarm Installation method: wall mount, surface mount Working temperature: -10℃ ~ 55℃ Working humidity: ≤95% Dimensions: L162mm*W112mm*H67mm Casing material: ABS, red Product implementation standard: GB 26851-2011 ""Fire sound and/or light alarm"" Installation method: wall mounting, surface mounting (indoor)"