The detector use special structure design of photoelectric sensor and processing technology of production, stable and reliable, high sensitivity, low power consumption, easy to use.Circuit and power can simulate itself, alarm test. The product is suitable for household, shops, ballrooms, warehouses etc.

Technical parameters:.
Volume level: ≥80dB
Power supply: AC110 ~240V (DC9v battery backup)
Battery life:
carbon zinc type about 1 year.
alkaline type about 3 years.
Working temperature: - 10 ° ~ + 50 ° c.
Relative humidity: ≤95% RH(40 ° c ± 2 ° c).
Output form: the acousto-optic alarm.
Execution standard: GB4715-2005.
Weight: about 135g (contain battery).