Features:<br> It can fix the window so that the window can open in a certain degree.<br> Help to keep indoor air fresh and prevent baby drop out of the window.<br> With a sucker， just press the sucker.<br> Easy and convenient for use.<br> <br> How to use:<br> First open the handle， be sure to firmly press the middle of the sucker， then off the handle， so you can suck up well.<br> <br> Specifications:<br> Color: White<br> Material: ABS<br> Size: 7.4 * 5.3 * 3cm / 2.9 * 2 * 1.2in<br> Weight: 23g / 0.83oz<br> Package Size: 16 * 9 * 3.5cm / 6.3 * 3.54 * 1.38in<br> Package Weight: 33g / 1.18oz<br> <br> Package List:<br> 1 * Window Lock<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>