Противоугонный Электрический универсальный домашний код безопасности USB порт Цифровой Дверной файл шкаф умный Пароль замок письмо коробка защита

Description:
User defined codes, with antipeep password and touching to wakeup.
The exterior solid one-piece zinc alloy body is dustproof.
Easy to operate and easy to install.
Can be used to lock mailboxes, filing cabinets, etc.
When the battery is too low, the indicator light will show you.
Specifications:
Product name: Password lock
Color: Black+Silver
Material: Zinc alloy
Battery: 1 x Button batteries (not included)
Mounting opening: About 16* 18 mm
Opening diameter: About 18 mm
Length of locking tongue: 48 mm
Diameter: About 57.7 mm
Package Included:
1 PC* Password lock
1 PC* User manual

Note:
Transition: 1cm=10mm=0.39inch.
1.Due to the light and screen difference, the item's color may be slightly different from the pictures.
2.Please allow 0.5-2 cm differences due to manual measurement.