ITEM NAME:Ne555 0~10S Adjustable Module Dc 12V Delay Relay Shield Timer Switch N2E4 Ne555 0~10S Adjustable Module Dc 12V Delay Relay Shield Timer Switch N2E4 Contact Load: Low Power Voltage: 12V Model Number: Delay Relay Power Source: DC Theory: Delay Relay Protect Feature: other Usage: Delay Relay colour:Photo Color Material:PC+ metal Package Contents: 1*Timer Switch Module.Model Number: Delay Relay. Theory: Delay Relay. Usage: Delay Relay. colour:Photo Color.