Smoke detector with battery & loud alarm It is recommended to put a smoke detector in every bedroom. This smoke detector is quickly installed & has an extremely loud alarm. It has a test button & makes a sound when the battery is low. The 9 V block battery on which the detector operates, is included.
Features: * Safe protection against the quiet death * Quickly installed, extremely loud alarm * Warning sound when the battery is low * With test button * We recommend a detector in each bedroom * Dimensions: 105 x 36.5 mm * 9 V block battery is included