BOSCH ND 100 GLT Panic Button - Panic button in DC circuit technology (GLT) - For connecting to an intrusion panel - Tamper contact - Surface– or flush–mounting of the cable - Compatible with optional cap with cover * Minimum operating voltage in VDC : 12 * Maximum operating voltage in VDC : 30 * Maximum current consumption in mA : 0.5 * Dimension in cm (Ø x D) : 8.1 x 3.1 * Housing material : ABS * Color (housing) : RAL 9002 * Color (cover) : Grey * Minimum operating temperature in : °C 0 * Maximum operating temperature in : °C 50 * Maximum relative humidity in % : 95 * Environmental class : II