Features:This lamp is specially designed for farm,adopts exquisite crafts,high quality and safe,waterproof and blast proof.Low brightness but high heat,practical and professional,great to use,durable and longlife,can be used for about 10000h.Thickened quartz glass,strong oxidation resistance,low thermal expansion coefficient,high melting point,convenient to heat treatment.Increase reflective ratio of light,will not light leakage and effectively power saving.Heating core adopts high heat resistance materials,reduce color temperature and make light more smooth and warm.Aluminum alloy lamp base,low heat conduction,rust resistance and firing resistance,longlife and durable.Bulb is used with short wave red infrared ray radiation,deep-layer heating,quick heating speed and low brightness,without stimulation,no harm to eyes and effectively preventing pig diarrhea.Improve thermal transition,good for pig growing,great lamp for farm pig breeding.4 types can be optional,and 220V voltage,please confirm it before order.Specification:Material: Quartz Glass,Aluminum AlloyType: Thermal LampColor: As picture shownLight Color: RedPower: A1:100W,A2:150W,A3:200W,A4:250W,A5:275W(Optional)Voltage: 220VSize: One SizeLength: 14cm(5.51in)Diameter: 12cm(4.72in)Quantity: 1 Pc(other accessories demo in the picture are not included)Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage includes:1 x Light