... 1.ABS digital keypad safe lock 2.Application:Club,Sauna room,School,Spa 3.Security,conevenient,and ... 15KV,Contact discharge 8KVBattery life >10,000 times 2.Function2.1 Sound indicate : Make long or ... short sound ,and different times to indicate 2.2 LED indicate : 3 different colors LED to indicate ... Partner for Electronic lock in global market.2) Development team regularly study and attention to ...