Product descriptions from the supplier High Security: Robust design withstands pressure over 1000 kg for peace of mind. Long Battery Life: Enjoy up to 18 months of use without frequent recharging. Wide Compatibility: Suitable for various types of doors including wood, iron, and security doors. ...
Product Description Specification Product nameSmart card hotel lockPower supply: DC6V, low battery alarm 4.8V; Battery life: 18 months Pressure strengthMore than 1000 kgApplicable doorwood door /iron gate/ security door and so on Weight: About 3.5kg;Environmental requirements: Temperature: -20℃ -60 ...