Feature: 1. Real Time Voice Monitoring: Utilizing wireless technology, baby monitor bell provides real time monitoring of your baby sound, alerting parents instantly. 2. Remote Call Reminder: With the ability to remotely trigger the bell to sound, it serves as a convenient alert for parents to attend to their crying baby or any important situations. 3. Portable Design: Compact and lightweight, bedside call bell can be easily carried around, making it suitable for use in any room at home or even outdoors. 4. Battery: Receiver requires 2pcs AAA batteries and transmitter requires 3pcs AA batteries (not included), come with complete accessories for easy install. 5. ABS Material: With high fidelity sound transmission, monitor bell ensures clear and detailed audibility of your baby every sound, allowing you to attend to their needs promptly. Specification: Item Type: Bedside call bell Material: ABS Receiver requires 2pcs AAA batteries(not included) Transmitter requires 3pcs AA batteries(not included). Package List: 1 x Receiver1 x Transmitter1 x Screwdriver3 x Screws1 x Cover opener1 x Patch