Road & Traffic Signs descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Two Side 3-color Traffic Light With Control Panel For Sand Table Models. Features: Two Side 3-color Red/green/yellow Traffic Lights.Lights Include Red, Green and Amber Bulbs. Black Wire is for Positive, the Other Three Are for Negative. Each Line Corresponds to the Color of the Glowing Colors. The Green Line is the Green LED, the Red Line is the Red LED, the Yellow Line is the Yellow LED You Can Also Connect with 5V Transformer Without Circuit Board, Black Wire with Positive, and the Other Three with Negative. Great Accessories for Diorama, Buildings, Train Models Specifications: Voltage: 5V Current: 60MA Power: 0.36W Material: Plastic Application: Construction Sand Table Model / DIY Materials Package Content: 1* Traffic Light 1* Control Panel . Products number : SOMONO162986