High precision：Electric timer is precise with industrial grade chip, high precision and strong anti-interference ability, minute setting accuracy, can be used on projects that need to be precise. Programmable switch：Electronic universal time switch with daily and weekly schedules, you can set it according to your needs. Rechargeable battery：Built-in 1.2V/40mA rechargeable battery, Automatically save user programming information, don't worry about power outages. It can be used repeatedly and durable for long term use. Wide applications：Suitable for household appliances, billboards, road lights, neon lights, etc. High quality：The digital timer is made of plastic, safe and non-toxic, odorless and durable.