HIKVISION
Dimension (L×W×H): 86×86×28.9mm(3.39×3.39×1.14″);
Structure: aluminum alloy panel, metal button;
Current Rating: 3A@36VDC Max;
Output Contact: NO/NC/COM Contact;
Aging Test: already passed 500 thousand times aging test;
Suitable Doors: hollow doorframe and embedded-electric box;
Working Temperature: -10°C to +55°C (14°F to 131°F);
Working Humidity: 0 to 95% (relative humidity);
Panel: aluminum panel with sandblast;
Product Weight: 0.25kg (0.55lb).