Profile: Telehof Electronics Instruments & Equipment (Shenzhen) Co., Ltd. offers surge protective devices. We are an ISO 9001:2000 certified company. Our products include 4-channel wireless mini DVR, dummy bullet camera, 2-channel mini real time DVR, color dome camera, 9-channel network DVR, and color auto-pan camera. We have a high voltage laboratory equipped with advanced lightning & surge current generators that are able to generate 8/20us, 10/350us, and 10/1000us waveforms according to national & international standards. We also manufacture security products ranging from mini/wireless DVRs, network DVRs, IP cameras, speed dome cameras to stand-alone cameras. Our surge protective devices include power supply & IT network system series that are widely used in the power supply, computer networking, and telecommunications system.