1. We create the emergency button.
2. Users can adjust the guiding distance between the sender and the receiver.
3. When the child away from you, sounds in the receiver will immediately remind you.
4. With 16777216 sets of password codes
5. The monitoring distance can be adjusted by user from 1-18 meters.
6. Alarm output: 85 dB
7. Batteries Included:
8. Sender: CR2032 x 1
9. Receiver: AAA (UM-4) x 2
10. Approvals: CE, FCC