... -2000 5. ir cctv camera Product summary:ZAD500 explosion proof infrared lamp is applicable for the circumstances of volatile gas, such ... ,tankers,chlorine circumstances)304 stainless steel(used in chemical industry,outdoor,acid and alkali circumstances)Surface treatment of 45# carbon steel ... .2KGWave length: 850nm/940nmInfrared distance: 0~30m ZAD500 explosion proof infrared lamp