1.Self test function
2.Motorola IC control, Reliable without false alarming
3.Field audio and visible alarming
4.Simple installation
5.Excellent reliability & high stability
6.Low battery alarm
7.Durable sensor head
8.Less affected by other organic solvent
9.Working voltage: DC 5V (micro USB)
10.Alarm current: <120mA
11.Response time: <30s
12.Sensor lifetime: 3 years
13.Installation method:wall mounting
14.Air pressure:86~106Kpa
15.Operating temperature: -0~+50 Celsius Degrees
16.Humidity range: < 80%RH (no freezing)
17.Alarm output: Relay output (relay contact load 3A 250V AC / 3A 30V DC)