Product overall qualities (1) cooperate with entrance guard control system, automatic induction door can be installed on various occasions. (2) is designed for automatic door lock function design, and equipped with automatic door special guide frame fixed bracket. (3) small size, convenient installation, and automatic doors open and close coordination with the good. Four, technical parameters as the input voltage: 12 dc/working current is available (24 vd) : 12 v / 24 v 170 ma book can sustain tension: 70 kg (150 LBS) linear tension surface treatment: environmental protection chromium plating process applicable temperature: - 20 ~ 55 ℃ suitable humidity: 0 ~ 90% lock body: 50 (diameter) * 30 mm (high) body absorption: 50 (diameter) x 10 mm (high)