PORTABLE DOORBELL KIT USB RECHARGEABLE: Kit includes one battery operated bell push and one portable chime receiver with USB rechargeable lithium-ion battery and built-in belt clip to carry with you hands-free. The chime receivers lithium-ion battery will last for approx. 4 months from full charge with typical use, recharges using any USB port and continues to work whilst charging. The doorbell kit also comes with a free window sticker to display by your front door to ward off cold callers.
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