Please Note: The aquarium heater needs to be completely submerged into water before plugging inPlease put the heater near the water flowing area to prevent uneven heatingPlease not put the aquarium heater into the sand or mud as this will cause inaccurate heatingPlease unplug the power supply when cleaning the fish tank or aquarium water changes Hook for Controller It is very convenient to hang up the controller with the hook, saving space. Please note that the controller is not waterproof. PC Plastic Protecting Shell The shell of AQQA aquarium heater is made of PC plastic, much more heat-resistant than ABS material, can resist up to 180℃. Nickel-chromium Heating Wire Nickel-chromium Heating Wire features fasting heating and homogeneous conductivity. Essential for your tropical warm water fish AQQA Aquarium Heater 500W/800W Key Feature: Over-Temperature ProtectionAnti-dry Heating ProtectionIntelligent Temperature ControlSuitable for Freshwater and Saltwater Specification: Voltage: 110V/60HzWatt: 500W/800WSuggest tank size: 66~135Gal/80~220GalTemp Range: 59℉~93℉ (15℃-34℃)Cord length: 1.9m/6.2fts--1.2m/3.9ftsHeater Size(L*W*H): 29*7.5*3cm/11.4*2.9*1.2in Package Included 1*AQQA Aquarium Heater with Controller 3*Suction Cups 1* Hook for Controller 1*User Mannual 1*Decent Packaging Box Aquarium Heater Aquarium Heater Aquarium Heater Aquarium Heater Aquarium Heater Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.2 out of 5 stars 728 4.2 out of 5 stars 728 4.5 out of 5 stars 47 4.3 out of 5 stars 290 4.3 out of 5 stars 76 Price $37.99$37.99 $56.99$56.99 $59.99$59.99 $47.99$47.99 $29.59$29.59 Voltage 110V/60Hz 110V/60Hz 110V/60Hz 110V/60Hz 110V/60Hz Watt 100W/200W/300W 500W/800W 500W/800W/1000W/1200W 500W/800W/1000W 100W/200W/300W/500W/800W Temperature Range 59~93℉/15~34℃ 68-93℉/20 ~34°C 59~93℉/15~34℃ 59~93℉/15~34℃ 59~94℉/15~34℃ Suitable Tank Size 25-95 Gal 66-220 Gal 53-290 Gal 66-300 Gal 8-230 Gal Material Quartz Glass Quartz Glass Quartz Glass Quartz Glass PTC