The product is a standard version with four unlocking methods: fingerprint, password, key, and card. Each of these ways has a capacity of 100 except for the key with two defaulted pieces. The product also has optional Wifi and Tuya APP access without an extra gateway. The product is made of zinc alloy and stainless steel and comes in silver colour. It is designed for doors with a thickness of 35-90mm and has a size of 170*60mm and 132*100mm. It weighs 2.5 kg and is unlockable by fingerprint, password, card, mechanical key, and remote control from the TTLOCK/TUYA app. It supports IOS 7.0 or above and Android 4.4 systems, has a battery life of 12000 times (18 Months or above), and uses 4.2V-6.5V batteries. The product can operate in a temperature range of -20-65 ℃ and a humidity range of 10%-90%. The inner box size is 26*19*14CM.