Description Technical 1. AV : AV 9V-240V 50-60Hz 2. Battery : 9V reversible battery -LRB- elective -RRB- 3. Working : 0-50 ?. . Environment : 10 % -95 % 5. Alarm Density : -LRB- ± 1500PPM -RRB- 6. Alarm : keep dreaded after over 2500PPM 7. : Approx112x73x42MM .
View Reviews
View Price
Buy on Amazon