Features: -This eco-friendly stove fan can warm your home quickly and efficiently. -No batteries or electricity required - this stove fan creates its own power from the heat produced by your stove. -Operates automatically between 50 - 300�C with speed self-regulating according to the temperature in the room. -This stove fan requires no installation, and it should be positioned facing forward at the rear of the stove top. -Silent operation. -Made from strong black steel. -Operates on almost all stoves. -Come with a thermometer - designed to control and monitoring of the temperature of your room. Specification Weight:0.61KG Height : 225mm Base plate width: 120mm Starting temperature:50�C Working temperature: 50 - 300�C Air flow:120-150CFM Note: 1.It's highly recommended that you use a suitable high temperature thermometer to test the temperature of you stove.Temperature above 300�C can cause damage to the product. 2.Do not touch any part of the stove fan directly while it is operating,