The Hikvision DS-K4H188D electromagnetic lock is designed for wooden, metal, fireproof and glass swing doors opening at 90°. The holding force is 360 kg (180 kg of linear thrust per door). The output signal is NC/COM. The device is made of steel. Operating temperatures — 10 °C... +55 °C, humidity — 10-90%, power supply — DC 12 V, operating current — 300 mA (for each door), electromagnet size — 340x40x22 (170×40×22 mm each), anchors — 139×34×10, weight — 2.2 kg. The warranty is 3 years.