1、Made of high‑quality materials, it is durable and has a long service life 2、When the battery is under voltage loss or low battery, it will be automatically disconnected 3、This product is suitable for a variety of batteries and lithium batteries, a wide range of applications 4、Main functions: over charge protection, over discharge protection function, short circuit protection function, over current protection function 5、This product can effectively protect the circuit, and the method of use is convenient and practical Features: Made of high-quality materials, it is durable and has a long service life. This product is suitable for a variety of batteries and lithium batteries, a wide range of applications. Main functions: over charge protection, over discharge protection function, short circuit protection function, over current protection function. This product can effectively protect the circuit, and the method of use is convenient and practical. Specifications: Condition: Brand New Material: Plastic Control accuracy: 0.1V Power: ＜1.5W Scope of application: various batteries lithium battery Net weight: approx. 28g / 1.0oz Product size: approx. 57*42*19mm / 2.2*1.7*0.7in Package list: 1 * Overcurrent Protection Module Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.