Home / Alarms & Security / Parts / Panic Buttons / Hold-up SMART002 Hold-up SMART002 with Centre Push, in Plastic Add to cart Categories: Alarms & Security, Panic Buttons, Parts Description Description Features Single push Silent operation to BS 4737 pt 2 Visual activation indication Specifications Maximum voltage: 50V DC Maximum current: 500mA Related products Ness Detector Paradox Glasstrek Glass Break Read more Paradox PDX-ZX8 Expander Add to cart Ness Lux Quad PIR Read more Ness Vibration Sensor Read more