Feature: 1. PROTECTION FUNCTION: Voltage relay module supports charging protection, discharge protection, surge protection, and undervoltage protection. 2. POWERFUL FUNCTION: The voltage module detects DC 0-99.9V with a minimum adjustment of 0.1V, providing reliable performance. 3. CURRENT INFORMATION: Relay ON/OFF module has a maximum contact current of 12A (recommended for use within safe limits). 4. STABLE CONTROL: Battery charge/discharge timing module features fixed-point pulse output, stable performance, and precise charge/discharge control. 5. STABLE AND DURABLE: Voltage detection module has a robust structure, excellent performance, and long service life. Specification: Item Type: Voltage Relay Module Detection Voltage Range: 0-99.9V (minimum adjustment 0.1V) Maximum Current of Relay Contact: 12A (recommended for use within safe limits) Package List: 1 x Voltage Relay Module