Feature Highlights: 1. 99-Hour Timer Setting – Set unlock times up to 99 hours and 59 minutes. Once the countdown ends, the lock ring opens automatically. 2. Long Standby Battery – Rechargeable via universal USB/Micro USB. Offers up to 500 hours of standby time on a full charge. 3. Metal Build & Secure Design – Made from durable metal with a smooth, textured finish for enhanced safety and reliability. 4. Easy to Operate – Features a backlit LCD screen that clearly shows the remaining time. Just use the 3 simple buttons to set hours or minutes. 5. Promote Healthy Habits – Helps reduce phone use before bed for better sleep, or supports controlled smoking by limiting daily cigarettes and extending smoke-free intervals. Product Details: This electronic timer lock allows you to program access for up to 99 hours. Built with a sturdy metal body, it’s both tough and secure. The backlit screen and intuitive buttons make setup quick and easy. Recharge via USB for long-lasting use—up to 500 hours standby. Ideal for encouraging healthier routines, like improving sleep or managing smoking habits. Specifications: - Max Timer Setting: 99 hours 59 minutes - Charging: USB / Micro USB - Standby Time: Up to 500 hours - Material: Metal body - Display: Backlit LCD screen - Controls: 3-button operation