Feature:<br /><br />\u25cfSpecial design and durable life.<br />\u25cfEasy and convenient to use, with good absorb ability and powerful magnetic attraction.<br />\u25cfClean away the lichen of aquarium and hurtless for glass.<br />\u25cfInside magnet automatically stand verticalat the bottom of the aquarium and easy to retrieval when the outside magnet detaches.<br />\u25cfIt can measure the water-temperature at any point of the aquarium. The measure scope is wide, and the response speed is fast.<br /><br />Product Attributes: <br /><br />Material: Plastic<br />Color: Grey(As picture showed)<br />Quantity: 1 Pcs<br /><br /><br /> <br />  <br />   <br />    Size(Model)<br />   <br />    L x W x H<br />  <br />  <br />   <br />    S(WD-601)<br />   <br />    104x43x62mm(4.09x1.69x2.44&amp;quot;)<br />  <br />  <br />   <br />    M(WD-602)<br />   <br />    114x47x68mm(4.49x1.85x2.68&amp;quot;)<br />  <br />  <br />   <br />    L(WD-603)<br />   <br />       128.5x53x74mm(5.06x2.09x2.91&amp;quot;)<br />  <br />  <br />   <br />    XL(WD-605)<br />   <br />       150x63x85.5mm(5.91x2.48x3.37&amp;quot;)<br />  <br /> <br /><br /><br /><br />Package Include:<br /><br />1 x BOYU Magnets Glass Brush<br />1 x Button Cell<br /> <br />Note:<br /><br />1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid.<br />2.Please allow 1-5mm differences due to manual measurement.<br />3.Please install the batteries before use.<br />4.It must also be kept out of the reach of children.