White. The MINDER Mini PIR Alarm features a 120dB alarm siren which sounds when the PIR motion detector is activated. It has two operating modes - alarm and chime; alarm mode will sound a continuous alarm when activated, whereas the chime mode will sound a door chime. The alarm is easily operated by a 4 digit code using the keypad on the front of the device and is suitable for use either free standing or wall mounted, with wall mounting fixture included. It has a detection distance of 6m and recommended installation height of 1.8m.. Suitable for use freestanding or wall mounted. 120dB alarm siren. Keypad control to allow safe entry/exit for the user. 4 digit access code