| Version optional | tuya BT | 
| Color optional | Piano Black | 
| Unlock methods | Fingerprint+Mechanical key+Password + APPcontrol | 
| Dimensions length * Width * height | 65 diameter, 145mm(include handle) | 
| Mortise | 304 Stainless steel (Iron mortise lock is optional) | 
| Material | Zinc alloy body | 
| Safety | Normally open mode, keep the lock under open mode when you don't wanna lock the door | 
| Power supply | Using of 3pcs of 1.5V AAA Battery(up to 182days working time (unlock 10 times/day) | 
| Features | ●Number of password storage: 50 groups (password length: 6 digits) 
 ●Fingerprint storage quantity: 50 groups ●Number of administrators: 3 ●Fingerprint collection: semiconductor Emergency USB backup power; Comparison time: ≤ 0.5sec; Working temperature: -20°- 65°; Working humidity: 15-95%RH (non-condensing) ●Recognition rate: ≤0.001%, true rejection rate: ≤0.1% Suit for door Standard: 25-120mm(Thickness);  | 
| Package size | 244x178x86mm;1.5kg | 
| 12pcs/master carton | 505*270*380mmm,15kg | 
| Reason for choosing | Store top selling/Hot market/Well received by buyers/The lowest price in the industry/Source factory |