1/2" 68 degree K5.6 quick response upright fire sprinkler heads1. Brief introduction:Glass bulb fire sprinklers, which is the key part of automatic sprinkler system, can be use...
Tyco HV High Velocity Directional Open Spray Nozzles UL FMType HV High Velocity Directional Spray Nozzles, Open, Non-AutomaticGeneral Des...
Fast production SD card 5 inch LCD screen portable DVR digital video recorder
Model No.: TE981H 5.8GAdvantage Features: TE981H is a new generation portable CCTV DVR FPV monitor...