<b>Hygger Pinpoint IC Temp Controller Aquarium Heater will be your best choice!</b><br> <br> Specification:</b><br> Voltage: 110V-120V, 60HZ<br> Power cord length: 5.5 ft<br> Available In:<br> Length - 8.7", 5~10 Gallons, 50 Watts<br> Length - 9.8", 10~25 Gallons, 100 Watts<br> Length - 10.7", 20~45 Gallons, 200 Watts<br>Length - 12.3", 60~120 Gallons, 500 Watts<br><br> <b> Notice: </b>Please read instruction and cautions of package box carefully before use, and keep it away from children.<br> &#9787 This titanium heater is not suitable for use in acrylic fish tank.<br> &#9787 DO NOT use heater alone, to avoid overheating, it must be worked with thermostat and temperature detector. Keep heater and thermal detector submerged <br> &#9787 Make sure the heater is completely submerged in the water before power on.<br> &#9787 Make sure the thermal detector is fully submerged when it's on duty.<br> &#9787 We recommend to install a water pump or wave pump to circulate water movement so that the whole aquarium area at the same temperature.<br> &#9787 Make sure heater placed horizontally and fully submerged when it's on duty .<br> &#9787 DO NOT put the aquarium heater into the sand as it will burn the case and casue electric leakage.<br> &#9787 As thermostat is not waterproof, please keep it away from aquarium. Stay dry.<br> &#9787 If you want to clean the fish tank or take out the heater, please DISCONNECT power and wait for 30 minutes to cool down.<br> &#9787 This heater is only suitable for indoor use.<br> &#9787 We don't suggest to use this temperature controller for other brand heater for security reasons.<br><br> <b>Package included:</b><br> 1* Submersible Aquarium Heater<br> 1* Thermostat with Detector<br> 2* Suction Cups<br> 1* User Manual<br><br>***Internaitonal customer beware of the local voltage. Any voltage over 120V will burn out the controller and heater without transformer.