| Category | Parameter | Function | Description |
| Weight | Complete machine: 41g Complete set: 157.5g | Positioning | GPS+LBS+WiFi positioning |
| Dimension of complete machine | 41.6*33.4*14mm | Call function | Familiarity number dialing two-way conversation and voice monitoring |
| Packaging dimension | 82 X 82 X 84.5mm | One-key first-aid | Support |
| color | Pink sky blue | Wrist off alarm | When falls off the wrist, it gives the alarm to APP client. |
| Key | Telephone Key, Record Key, Power Key, SOS Key | Safety fence | Support |
| Screen | TFTscreen, 128x64 resolution | Historical trace | View 90 days' historical traces |
| GSM | MT6261 | Low battery alarm | When electric quantity is lower than 10%, it will give alarm to APP client. |
| GPS | MT3337 | Through GPRS data transfer, it probably has 10 seconds' voice conversation transfer | |
| Number of GPS channels | 20 channels | On-Off Key | If there is no GSM signal, it can power off the watch. If there is GSM signal, it can't power off the watch. |
| GPS sensitivity | （-159DB） | Remote power-off | APP客户端可以远程关机手表APP client can power off the watch remotely. |
| GPS accuracy | 5-15M | Do not disturb mode | Set up master control number and familiarity number, can reject cold calls, be sure to set up master control number first. |
| LBS accuracy | 100--1000M | Address book | Support short number dialing, mobile phone number can’t dial the short number, because they don’t belong to one group. |
| Operating temperature | （-20--50℃） | APP support system | Android version 2.3 and above, Apple version 5.0 and above |
| Language | Chinese and English, restart the watch after setting | System language | Polish, Vietnamese, Turkish, Arabic, Norwegian, German, French, Spanish, Portuguese, Italian, Russian, Chinese and English |
| GPS antenna | High sensitivity active ceramic antenna | Software upgrade | Remote wireless upgrade |
| GSM antenna | Large area FPC gold-plated antenna | System map | Google, Baidu, AutoNavi, Tencent, OpenStreetMap |
| Battery | Gel polymer 400mA | ||
| GSM frequency | 850/900/1800/1900 | ||
| Speaker specification | 1609 Smallest speaker 1609 | ||
| Gravity sensor | Support | ||
| I/O interface | International 5P | ||
| 30 seconds upload | Standby time is about 50 hours | ||
| 10 minutes upload | Standby time is about 70 hours | ||
| 1 hour | Standby time is about 5 days | ||
| Charging identification mark | Please see the battery mark on the screen during charging | ||
| Watch band | Nipple material (USA Dow Corning) | ||
| Lens | Organic tempered glass | ||
| Paint of watch case | UVA wear-resistant metallic paint | ||
| Packaging size | 43.5x43x19(H)CM |
