Product Specification: Lock dimensions: 250 L x 25 W x 31 H (mm) Stainless steel strike structure with a 500 kg holding force DC12V electrical voltage (DC24V must be ordered) 200mA (degree) is the current's value. One of the features is fail safe (degree). Ideal for: PVC and wooden doors temperature of the surface: within 20°C Ideal temperature range: -10 to 55°C (14 to 131°F). Operating Humidity: non-condensing, 0 to 90% face plate cover: 0.4 kg, painted steel