Wireless Human Body Sensing Doorbell Help Call Alarm Style: Wireless Button

1. LED: the host has 4 flashing red LEDs2. Host power supply mode: 3 AAA 1.5V dry batteries (not included) /DC 5V 1A/3 AAA 1.2V Ni-MH rechargeable batteries3. Host power supply: Contains 3 AAA 1.2V Ni-MH rechargeable batteries (battery capacity 600mAhx3)4. Wireless button power supply: contains a 23A 12V battery5. Sensing distance: about 4-6m6. Alarm sound: 129 decibels7. Music content: 60 songs8. Volume control: 4 levels adjustable8. Material: ABS9. Size: host about 8x3 cmFeatures:1. Voice prompts for visitors at the front desk/store2. It can be equipped with multiple wireless buttons to meet the doorbell/distress/call3. It can be equipped with multiple outdoor solar sensors at one time with early warning for deployment at a distance of 100 meters4. Exclusive music settings distinguish doorbell/distress/call/alarm5. Small size and easy to carry anti-intrusion sound and light alarm for doors and windows of family hotel rooms6. Can be hung and put anywhere the volume is adjustable7.