keypad for surface mounting and recessed. Backlit keys Easy and quick security system to connect and disconnect with the integrated proximity reader. Led indication of alert, alarm, manipulation, failure and disconnection. Integrated terminals for two inputs and one output (Resistors (wired inputs): 1k4 ~ 2k9 (Normal), 4k2 ~ 7k8 (Intruder), <1k4 or> 22k (Tamper), 8k ~ 11k3 (Fault), 11k6 ~ 22k (Masking )). Integrated siren. Adjustable button tone volume. With double tamper. Dimensions: 160 x 126 x 30 mm. EN50131 Grade 3 certificate, environmental class II.