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# Spec. Model R8

# Hardware specifications and feature overview: JAMES Emergency Watch R8

User manual: [JAMES Emergency Watch R8 manual](https://jameshelp.crisp.help/de/article/handbuch-james-notrufuhr-r8-hnxpcg/)

| **Hardware** |  |
| ---- |
| **Model** | R8 |
| **Dimensions / weight** | 43 x 43 x 12.8 mm / 45 g |
| **IP protection class** | IP67 |
| **Display** | 1.28 inch TFT, 240 x 240 px, touchscreen |
| **Button** | One SOS / on / off button |
| **Speaker** | 0916 stereo monomer |
| **CPU chipset** | Unisoc SC8910FF |
| **Operating system** | Thread X (RTOS) |
| **Positioning** | GPS + LBS + WIFI + AGPS + Google Position Service |
| **GPS antenna** | LDS external laser curved |
| **GPS chip** | MTK3336 |
| **RAM + ROM** | 32MB + 16MB |
| **Sensors** | PAH8009: heart rate, blood pressure, SpO2, NST117: temperature |
| **3D accelerometer** | DA217 |
| **Charging port** | Magnetic, 2-pin, with magnetic charging cable |
| **Operating temperature** | -10°C to +60°C |
| **Strap** | 18 mm silicone strap |

| **Battery** |  |
| ---- |
| **Battery** | 3.8V / 650mAh, rechargeable |
| **Battery type** | Lithium polymer |
| **Charging voltage** | 5V / 1A |
| **Standby / charging time** | 4 days, 90 minutes |

| **Network and SIM** |  |
| ---- |
| **Frequency bands** | GSM: 900/1800mHz 4G LTE: B1, 3, 7, 8, 20, 38, 40 (with local SIM) |
| **SAR values** | GSM 900: 0.566 W/kg (SAR 10g) GSM 1800: 0.355 W/kg (SAR 10g) LTE B1, 3, 7, 8, 20, 38, 40: 0.601 W/kg (SAR 10g) |
| **SIM size** | Nano |
| **Operator** | SWISSCOM (Switzerland with prefix +41) or TELE2 (Sweden with prefix +46) |
| **Roaming** | Roaming in all EU networks |

| **Packaging** |  |
| ---- |
| **Package size / weight** | 72 x 78 x 100 mm / 120 g |
| **Carton size / weight** | 50 pcs: 22 x 40 x 38 cm / 9.5 kg |
| **Contents** | 1 x R8 watch, 1 x user manual, 1 x magnetic charging cable, 1 x plug |

### Features

**Alarms** (phone call, SMS, email, push notification to the app)
* Alarm via button press to up to 10 private contacts
* Fall detector with 3 different sensitivity levels
* Optional: alarm when leaving a geofence area for longer than 5 minutes (for people with dementia)
* Optional: 24/7 alarm receiving call centre to process alarms and alert emergency services

**Warnings** (SMS, email, push notifications)
* Low battery warning
* Signal loss warning if there is no data connection to the watch
* Warning if no steps have been measured by a configurable time in the morning

**Notifications** (push notifications to the app)
* Notifications to contacts about the first steps of the day

**Position**
* Retrieve the location at any time

**Phone calls**
* Incoming call at any time

**Vital values**
* Frequent measurements configurable and measurement can be started on demand via the watch
* Pulse and blood pressure
* Blood oxygen
* Temperature

**Chat function**
* Via the JAMES app or the web portal, contacts can send text messages to the watch. These can be answered with voice messages via the watch.

**App and web portal**
* Family app “JAMES APP” for Android and iOS
* JAMES web portal for relatives