Working temperature
-20°C to +65°C (-4°F to 149°F)
Working humidity
10% to 90% (Non condensing)
Dimensions
115.9mm×43.3mm×17mm (4.56"×1.70"×0.67")
Installation
Wall mounting with screws; Do not support gang box
Keypad
No Keypad (DS-K1802E and DS-K1802M)Keypad with 12 Keys (0~9, *, #) (DS-K1802EK and DS-K1802MK)