WiFi Yes, 2.4 GHz network required Backlit-Keypad Backlit 8 digit keypad with built in proximity sensor Battery Life 3-4 months using Low Power Mode Battery Type 18650 Rechargeable Lithium-ion, 3.7v 2200 mAh Biometric Imaging Speed 10 FPS Biometric Sensor Area 12.8mm x 12.8mm Biometric Sensor Pixels 160 x 160 Pixels @508DPi Biometric Storage Capacity 20 Unique Fingerprints Construction Progressive Formed 14-Gauge Steel Exterior Product Dimensions 54" H x 14" W x 16" L Interior Product Dimensions 53.25" H x 13.75" W x 12.6" L Lcd Screen Size 50.0mm x 25.0mm Pin Code Length 4-8 Digits Weight 124lbs