http://www.channeleco.com/en/Item/Show.asp?m=1&d=1198
Product description: This device is to protect outdoor instruments from lighting stroke.

Features
- Non-electronic and long service life.
- Remain good quality after lightening stroke.
- Metal composition of copper and steel brings good electrical conductivity and rust resistance.
- Easy to install and use.
Specifications
- Material of lightening rod: high-quality carbon steel with copper coating.
- Size of lightening rod : 0.55m
- Material of ground rod: high-quality carbon steel with copper coating.
- Size of ground rod: 1m
- Connecting wire: BVR16mm2*3m
Origin: CHINA
Channel Technology Group Limited
Tel:+86-10-62111044
Fax:+86-10-62114847
Web:http://www.channeleco.com/en/
Email:repair@qudao.com.cn
bio-equip.cn
For the purpose of introduction and promotion of global advanced instrumentation and technology in the fields of terrestrial ecology, aquatic ecology and life science, Channel Technology Group Limited was established in 2001.