Marukan CASA Heat Lamp 20W A 20W heat lamp with a breathable design, perfect for keeping birds warm via USB connection. - Model: Heat Lamp 20W - Color: White - Material: Plastic - Power: USB connection - Features: Breathable design - Application: For bird warming A 20W heater, ideal for keeping pets warm. - Type: Heater - Wattage: 20W - Size: 660 x 130mm - Voltage: AC100V 50/60Hz Used for several months. There are no noticeable stains. I have confirmed that the lamp lights up, but the remaining lifespan is not guaranteed.