& -: Easily switch between 30s, 60s, and 90s timers to meet different gel requirements. For energy saving, the device features a 300-second auto-off function when left idle.
&: Designed with a wide working temperature range (-10°C to 60°C) and a long-lasting battery that maintains health with a simple 3-month maintenance charge during storage. Includes built-in safety features to protect both the device and the user.