Our LAY 5 series control boxesbutton box are available with different styles for choice, like: 1. LAY5-J174H29 Button box for two holes Φ 22Φ 25. 2. LAY5-JBOS2 control boxes with red mushroom, Head pushbutton, Φ 40mm, Latching, Turn to releas. 3. Lay5-B213 control boxes of spring, return push button, 1 flush green, 1 flush red, IP40/54. For details welcome to contact us further freely by email or fax.