1.CO alarm with EN50291
2.Nemoto/Figaro/Sixth sense sensor
3.9V battery operated
4.low voltage signal
5.sound:>85db at 1M

Co alarm GS804 with EN50291

Power Supply: DC 9V battery operated
Sensitivity Setting: conforms to EN50291
Standby Current: <30μA
Alarm Current: <25mA
Operation Ambient Condition: 4~38°C, 25~85%R.H.
Sensor Type: electrochemical
Sensor life: >3 Years
Battery Package: Carbon Zinc 6F22 or Alkaline 6Lr61, 1604A for ANSI,6AM6 for JIS
Battery Size: 25.5 * 16.5 * 47.5 (unit: mm), it is approximation.
Recommended battery: Gold peak 1604A,Gold power G6F22
Alarm sound : ≥85DB at 100cm @ 3.4±0.5KHz pulsing alarm

Packing Size:138mm X 58mm X 49mm
Weight:0.25kg