Power Source : 9V battery
Operating Current : 10 uA (normal) and 20-50 mA
|Power Source : 9V battery|
|Operating Current : 10 uA (normal) and 20-50 mA|
|Sensitivity to smoke : In comply with UL217 &|
|BS5446: Part 1 2000|
|Kitemark License no. KM 53166.|
|Operating Temperature : 40oF - 100oF (4. 4C - 37.8oC)|
|Ambient Humidity : 10% - 90%.|
|Horn Level : 85 Decibels at 10 feet.|
|Battery life : 1 year min.|
Shandong China Coal Industrial & Mining Supplies Group Co.,Ltd (hereinafter referred to as China Coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.
China Coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.