Enhance your timing control with this reliable Timer Switch, designed specifically for applications such as school bells and factory bells. Featuring a convenient rail-type mounting design, this timer switch ensures easy installation and stable operation in various industrial and educational environments. The bell ringing time is fully adjustable from 1 second up to 99 seconds, allowing precise customization to suit your specific needs. Key Features: · Precise Timing Control: Adjustable bell ringing duration from 1 second to 99 seconds with a minimum setting time of 1 minute, providing flexibility for different timing requirements. · High Accuracy: Low timing error of ≤1 second per day ensures consistent and dependable performance over long periods. · Robust Current Capacity: Supports a thermally stable current value of 16A, suitable for powering various bell systems without overheating or failure. · Convenient Rail Mounting: Designed for easy installation on standard guide rails, making setup quick and hassle-free. · Built-In Rechargeable Battery: Equipped with a built-in ML621 button cell battery that does not require replacement, ensuring continuous operation and reducing maintenance needs. Specifications: · Item Type: Timer Switch · Minimum Setting Time: 1 minute · Timing Error: ≤1 second/day · Thermally Stable Current Value: 16A · Ringing Time Range: 1 second to 99 seconds · Installation Method: Rail Type · Built-In Battery: Rechargeable Button Battery ML621 (no replacement needed) Package Includes: · 1 x Timer Switch This Timer Switch combines precision, durability, and ease of use, making it an ideal solution for controlling bell systems in schools, factories, and other facilities. Its stable current capacity and accurate timing ensure reliable operation, while the built-in rechargeable battery minimizes maintenance efforts. Upgrade your timing system with this efficient and user-friendly timer switch today.