<p>Automatic constant temperature and high temperature protection.</p> <p>USB plug can be connected to the mobile phone charger or the charging bank.</p> <p>External temperature regulation, temperature control range: 15-34\u2103.</p> <p>Quartz explosion-proof material is safe to use.</p> <p>Small size, 52mm long heating rod, as big as the thumb, more beautiful.</p> <p>The water level can be as low as 2cm and can be used by both fish and . It can be used in fresh water, seawater fish tanks, pet feeders, etc.</p> <p>Product name:Mini heating rod</p> <p>Length of power line:1.</p> <p>Scope of use:small fish tank\/pet water dispenser</p> <p>Temperature control range:15-34\u2103</p> <p>Input power:5V 2A</p> <p>Suitable for:about 2L water capacity</p> <p>Note:</p> <p>Be sure to use 5V2A charger for power supply. If you use a charger with insufficient current, the flash screen not be heated.</p> <p>This product is suitable for 2L water capacity.</p> <p>Two heating rods can be used in one fish tank to increase the heating capacity, for example, two heating rods can be used simultaneously in a fish tank with 4L water capacity.</p> <p>However, only one heating rod can be used at the same time when one charger or power pack has multiple USB ports, otherwise it cause heating failure or poor heating effect.</p> <p>Product power:10W</p> <p>Colour:As Shown</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * Fish Tank Mini Heater(without adapter)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>