Digital display on LED screen: This elderly life alarm system comes with 1 caregiver pager and 2 wireless call buttons. Each button triggers a unique number on the pager's screen for quick identification. New upgrade: This caregiver call button has 16 built-in ringtones and 3 volume levels. It also features vibration, one-button mute, and low-battery reminder functions. Rechargeable, long battery life: The caregiver pager has a TYPE C charging port and a large-capacity rechargeable battery. Portable and easy to carry: Features a belt clip design. The receiver has a working range of up to 500 feet. The emergency button can be worn around the neck or mounted on the wall. All accessories are included. Pre-paired and expandable pairing: Two call buttons and the caregiver pager are pre-paired with numbers 1 and 2 assigned by default. Each receiver supports pairing with up to 30 call buttons. This monitoring system is designed to support elder care. Color: Black Material: Plastic Package Contents: 1 × Host 2 × Call Button 1 × English instruction manual Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement tolerance is ±1–3 cm.