Low Battery Reminder: If the receiver or transmitter runs low on battery, the receiver will announce "Inside Battery Low" or "Outdoor Battery Low. " Doorbell wireless has LED indicator, 4 ringtones, and 8 volume settings. Door bells for homes can also pair with multiple doorbells, so you"ll never miss a visitor
Work Out of Box: Pre-paired at the factory. Wireless doorbell intercom fully charge before first use. Receiver charges via power cord or charging base (just set it on the base when not in use). The transmitter charges via power cord. A full charge lasts 1012 days for the receiver and about 4 months for the transmitterthough actual runtime depends on how often you use the doorbell
Versatile Use: These wireless doorbells can pair in multiple groups, working indoors or outdoors. Wireless doorbell systems are great for homes, businesses, assisting seniors or pregnant women, and professional settings like offices, hospitals, and schools