Height: 159 mm Width: 83 mm Depth: 43 mm features: A quality underdome bell housed in white cabinet for added resonance. Loud ringing sound suitable for both commercial and domestic applications Can be overpainted to match your decor Battery power means that you only require a wire from the push to the bell and make it easy to install Typical battery life 4 years (Alkaline) Bell can be located up to 9m (29 feet) from push Note: Loud ring 80dB @ 1m Use two batteries 64071 see related Products