Product
Smart Home
SK-ZN21 Sound and light alarm
- Function Features
- Technical Reference
- Schematic Diagram
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● On-site sound and light alarm
● More than 80dB super siren, alarm is deterrent
● Wireless communication, reducing wiring trouble
● Voltage range: Working voltage: AC85 ~ 260V; Rated voltage: AC220V / 50Hz
● Standby power consumption: ≤0.5W
● Working current: ≤100mA
● Shell material: ABS fireproof (V0 level)
● Backup battery: 3.7V / 500mAh polymer battery
● Wireless mode: LORA dual-channel standard protocol
● Receiving sensitivity: -125dBm
● Wireless frequency: 433MHz
● Wireless distance: ≥1000m (open area)
● Siren output:> 80dB
● Flashing frequency of police lights: 5Hz
● Working environment: temperature: 0 ~ 45 ℃; humidity: ≤80% RH
● Product net weight: about 85g
● Specifications: 80x80x48mm (length x width x thickness)