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 indi…