Techko Keypad and fingerprint Digital Deadbolt

Techko Keypad and fingerprint Digital Deadbolt with 2 keys (Available 3 colours ) Specifications: - Door Preparation: 1" (25.4mm) for cross bore, 2-1/8" (54mm) for bore hole - Door Thickness: 1-3/8" to 2" (35mm to 50mm) - Backset: 2-3/8" or 2-3/4" (60mm or 70mm) - Working Temperature: -31°F to 150.08°F (-35°C to 66°C) - Humidity: Up to 90% - Battery: 4 AA (1.5V) alkaline batteries (not included)