Uxcell a15113000ux0594 Max 25V Voltage Detector Range 3 Terminal Sensor Module for Arduino Country of Manufacture: CHINA; Material: Electric Parts Net Weight: 4g; Package Content: 1 x Voltage Sensor Module Main Color: Blue PCB Board Size: 27 x 14mm / 1.1" x 0.55"(L*W) Max Voltage Range: 25V