Description: - Durable.PTC heating of aluminum alloy + PTC ceramic ,durable. - Easy installation. , convenient to install and use. - Convenient. Heating be easily used to solids and gases. - Constant Temperature.Heaters and accessories has surface insulation, and long term use. - Multifunctional. Thermostat heater can be used to hatch chickens, ducks, geese and other poultry and quail, parrots, pigeons, such as birds.Size Chart:Size:Approx.8.2x2.1x0.6cm/3.23x0.83x0.Package Includes:1 Piece Thermostat HeaterNote:1. Please allow slightly error due to manual measurement.2. Due to between different monitors, the picture may not reflect the actual the item.3 shopping!