| ✮4G connection | ||
| ✮Microampere Level Low Power Consumption, built-in 2800mA battery | ||
| ✮Dedicated 4G data card with extremely low charges | ||
| ✮Support audio calling and snapshot, pictures will be saved in the cloud | ||
| ✮Support linking with chimes | ||
| ✮Privacy mask (privacy mask is turned off by default and will be turned on only when you wake up the device) | ||
| ✮There is only one way to wake up the device. The device will wake up when you press the call button or pull the cord. | ||
| ✮Area activity monitoring (thanks to the PIR sensor, if no activity is detected for 15 hours, an alarm will be triggered and an alarm will be sent to the user's phone) | ||
| ✮Low battery warning, App push alerts | ||
| Sorts | Type | Parameters |
| System | Operating system | Open CPU |
| APP | Xiaoying ding dong | |
| Collection | CPU | Open CPU |
| Resolution | 640x480 | |
| Lens | D85° wide angle | |
| Audio | Input | Built-in -38dB microphone |
| Output | Built-in 8Ω1W speaker | |
| Sampling frequency/bit width | 8KHz/16bit | |
| Compression standard/Bit Rate | G711A | |
| Network | Connection | Scan the QR code to add device |
| Cat1 China | FDD:B1/B3/B5/B8；TDD:B34/B38/B39/B40/B41 | |
| 433 ding dong chime | 1527 million level coding library; One device can be paired with multiple chimes. | |
| Button | SOS/Pull cord | Short press to wake up the device; Long press to restore factory settings |
| Switch | To turn on and off the device | |
| LED Status | Solid blue | Network connection succeed |
| Blinking blue fast | When there is no SIM, the device will enter sleep mode after about 3 seconds. | |
| Blinking blue slowly | When there is no traffic(data) or network, it flashes slowly for about 13 seconds and then goes into sleep mode | |
| Blue light off | Sleep mode | |
| Red light | The light is always on during charging and turns off when fully charged. | |
| Physical Indicators | Power supply | 2800mA polymer battery |
| Consumption | Sleep current 30uA, working: 80mA | |
| Operating condition | Working temperature: -10~55 ℃, working humidity<90% | |
| Weight | Net weight: 132g; Gross weight: 191g; | |
| Size | Device：86*89*27mm； | |
| Packing list | Device*1，bracket with double-sided adhesive *1，manual*1，screws*1，chime*1 | |