Features: 1. Perfect for model railway landscape. 2. 3 traffic lights for model making and model railway Track HO/OO. 3. They are simply prepared,Simply simulate but beautiful, the lighting is functioning properly! 4. Allow your platform or street scenes more lively with these products. 5. Each LED for 3V DC and 20mA. 6. With 4 lead wires, black wires is common anode wire, color wires are cathode wires, all LEDs can be lighted up independently. Specifications: Material: ABS(Acrylonitrile Butadiene Styrene plastic) Color: Black Scale: 1:100 Voltage: 3V Current: 20mA Total height: Approx.50mm/2" Quantity: 3/6/9/12/15 pcs Packaged included: 3/6/9/12/15x Traffic Lamppost