Features Smart Timing: cycle delay setting that allows the device to turn on/off within a certain period of time, which largely promotes stable operation. Wide in match: dual voltage adjustment, suitable for the voltage range of 110-220V, which is very compatible with various machines. BETTER CONTROL The high precision timing function can accurately control the running time of electrical devices. Reliable operation: The independent relay design can withstand high current loads, ensuring durable stability of the equipment. Clear display: the digital screen makes it easier for users to understand the current operating status of the device. Specification: Item Type: Relay Module Material: ABS Product size: approx. 79 x 26 x 43 mm / 3.11 x 1.02 x 1.69 inches. Opening size: approx. 72 x 40 mm / 2.83 x 1.57 inches. Package list: 1 x relay module. Package List 1 x Relay Module