Discreet wrist design
Looks like an everyday fitness band, so participants can go to work and school without stigma.

Full location monitoring in a lightweight wristband — built for lower-risk participants who need accountability without an ankle device.
Looks like an everyday fitness band, so participants can go to work and school without stigma.
Officers can push messages and settings straight to the watch's 1.3-inch color screen.
A conductive circuit built into the strap triggers an alarm the moment the band is removed.
A clip-on wireless power bank charges the watch in about 2 hours, with no cord, so the wearer can move freely.
Participants moving from an ankle monitor to a lighter level of supervision.
A less stigmatizing device for young participants who still need supervision.
Cases where courts want reliable location data without the visibility of an ankle device.

A specialist pairs the watch to the participant's file and confirms it's reporting.

Hybrid GPS, BeiDou, Wi-Fi and cell-tower positioning keeps location accurate, even indoors.

Our platform checks position and check-ins against each participant's rules automatically.

Violations route straight to the assigned officer, with a live specialist standing by.
| Category | Detail |
|---|---|
| Model | DDX04 |
| Tracking method | GPS / BeiDou / Wi-Fi / LBS hybrid tracking |
| Tracking accuracy | Under 10 m (reference value; accuracy varies with terrain and surroundings) |
| Cellular network | 2G / 3G / 4G |
| Display | 1.3-inch color screen showing signal, battery, date, day, time, ID and messages |
| Operation buttons | Yes |
| Battery | Built-in rechargeable 800 mAh lithium-ion polymer battery |
| Standby time | 5 days (tracking once per hour) |
| Charging method | Clip-on wireless power bank: charge the power bank, then clip it onto the watch. No cord needed, so the wearer can move freely while charging |
| Charging time | 2 hours |
| Voltage | DC 5 V |
| Size | 50 × 40 × 16 mm (L × W × H) |
| Weight | About 64 g (2.3 oz) |
| Material | Environmentally friendly plastic |
| Waterproof & dustproof | IP68 |
| Working environment | -30°C to +60°C (-22°F to 140°F); 10%–90% RH, non-condensing |
| Monitoring | US-based monitoring center, staffed around the clock; violations route straight to the assigned officer |

Built for participants stepping down from stricter monitoring — school, work, and family life keep moving.