Shenzhen PAD Electronics Ltd. [China]

Detailed Product Description

Description:

. Alarm mode: give an alarm warning while alarm density
  reaches: coal gas: 1000 ~ 5000 ppm, LGP: 1000 ~ 5000 ppm,
  natural gas: 1000 ppm ~ 5000 ppm
. Working mode: independent & compatible mode: work solely
  at party, room etc.
. Siren: > 90 db
. Strict method with good quality

Specification:
. Operating voltage: AC 220 V, or AC 110 V, DC 12 ~ 20 V
. Working temperature: -10 degree ~ 50 degree
. Alarm density: coal gas: 2000 ppm +/- 30%, natural gas:
  2000 ppm +/- 30%, liquid petroleum gas: 5000 ppm +/- 30%
. Operating frequency: 433 MHz/315 MHz (optional)
. Responding time: less than 2 seconds
. Net weight: 0.2 kg
. Size: 115 mm (L) x 71 mm (W) x 43 mm (H)