Battery low voltage detection and indication function; Stable frequency and performance of the sound meter; Low power design, long standby time; Adopting special infrared sensor and temperature compensation technology imported from America, the false alarm rate is low.

Working voltage: DC9V (6F22)

Working frequency: 315, 433.92mhz (other frequencies can be customized)

Standby current: <40uA working current: 46mA

Encoding mode: fixed code (PT2260 chip) learning code (eV1527/PT2240B) rolling code (HCS301)

Transmission distance: >1000m (open area receiver plate sensitivity above -103dbm)

Output power: 16dBm (40mW) detection Angle: 100° horizontal, 60° upper and lower

Detection range: 8m transmission rate: <10Kbps

Operating temperature: -10℃~+70℃