Dimensions: 330 x 210 x 62 mm; metal cover Adjustable alarm volume between 0 and 125 DB The standby LED can be automatically turned off during the day and on at night thanks to the integrated photosensitive detector. alarm against interference, The siren will sound an alert right away if it detects the same frequency wireless RF signal launch for 20 seconds. Stock alarm Integrated vibration sensor There are six different ways that LED lights can operate.