Size: 9.8 x 8.1 x 4.4 inches;  Weight: 2500g; Color: Silver
proper temperature: -20~50℃(-4~122℉)
Powered : 4 AA alkaline batteries (NOT included)
Standard 12-key keypad
Suitable: Both Left hand & Right hand
Fit doors: Single latch door, adjustable backset 2-3/8″ or 2-3/4″, door thickness between 1-3/8″ (35mm) and 1-3/4″(45mm)