1.conforms to EN50291 2.DC 9V battery operated 3.electrochemical sensor 4. alarm sound:>85DB at 1M 5.low battery signal

Co alarm GS804 with EN50291

Power Supply: DC 9V battery operatedSensitivity Setting: conforms to EN50291Standby Current: <30μAAlarm Current: <30mAOperation Ambient Condition: 4~38°C, 25~85%R.H.Sensor Type: electrochemicalSensor life: >3 YearsBattery Package: Carbon Zinc 6F22 or Alkaline 6Lr61, 1604A for ANSI,6AM6 for JISBattery Size: 25.5 * 16.5 * 47.5 (unit: mm), it is approximation.Recommended battery: Gold peak 1604A,Gold power G6F22Alarm sound : ≥85DB at 100cm @ 3.4±0.5KHz pulsing alarm

Packing Size:125mm x 110mm x 55mm