Long Range Mini Size Plug-in Ringbell Wireless Doorbell

  Product Feature   - This mini wireless doorbells is easy to install, just plug the portable cordless doorbell chime in a regular outlet, and install the bell push button with a sticky pad or screws.   - Universal input voltage, dual voltage of door chime is 110v-240v.   - Operating range up to 150 metres on open air, which is applicable for villa, multi-story houses or big property.              - The transmitter is battery operated, battery lasts for at least 1 year before you replace a new one.                                                            - 32 ringtones selectable on this big volume wireless doorbell, 4 levels volume adjustable, and max. sound is 85db at 1m.   - Compact size design, save packaging cost and freight costs.   - With Led indicator on the r…