【Superior Material】: The smart time lock is made of high quality metal, sturdy to prevent locks from being opened, durable and not easy to rust. Once locked, the lock cannot be opened. Please set the time reasonably. 【Widely Used】: The heavy metal timer lock can lock addictive items such as mobile phone, cigarettes, snacks, drinks, etc. With a compact size, it is lightweight and suitable for airports and travel. You can lock your important items at any time to protect your privacy. 【USB Rechargeable & Long Standby Time】: With a built-in 3.7V/200mAh battery, the multifunctional timer lock can be recharged via the included USB cable and works for more than 500 hours, a great alternative to timer containers. 【Timer Time】: With a backlit LCD display, there are 3 buttons that can be set to hours and minutes, the longest setting time is 99 hours and 59 minutes. The central locking button is used to set and start After the time is empty, the Electronic Timer Lock will automatically unlock