The Hikvision DS-K4H250D electromagnetic lock is designed for wooden, metal, fireproof and glass swing doors opening at 90°. The holding force is 600 kg (300 kg of linear thrust per door). The output signal is NO/NC/COM. The device is made of anodized galvanized steel, equipped with an LED indicator indicating the status (red/green — open/closed) and an internal voltage resistor. Operating temperatures are 10 °C... +55 °C, humidity is 10-90%, power supply is DC 12 V/DC 24 V, operating current is 250 mA/500 mA (for each door), respectively, the size of the electromagnet is 480.0×49.0×25.5 (240.0×49.0×25.5 mm each), anchors — 180×38×11, weight — 4.2 kg. The model can be used in door control. The warranty is 3 years.