Electromagnetic drive, lens interface: M12 lens driving voltage: 2.5 V ~ 12 V resistance: the pitch of 40 ohms (120 ohms) : 20 mm (22 mm) environment: - 30 ~ 80 ℃, temperature humidity 60 ~ 90% switching times: more than 150000 times, metal structure, strong, installation is convenient, suitable for ordinary camera and more than million and high-definition cameras