

The Temtop W100 is a multi-functional indoor weather station that measures and displays indoor/outdoor temperature, humidity, atmospheric pressure, provides a 12-hour weather forecast, moon phase, alarms, and many other supporting features. The device consists of an outdoor sensor and an indoor central unit, and can be powered by batteries or a 5V DC power source.
| Specification | Value / Details |
|---|---|
| Main Unit Dimensions | 192 × 121 × 21 mm |
| Sensor Dimensions | 46 × 25.5 × 95 mm |
| Display Size | 160 × 80 mm |
| Indoor Temperature Range | –10 °C to 50.0 °C; Accuracy: ±1 °C within (0 – 50 °C), ±2 °C outside this range |
| Indoor Humidity Range | 1 % RH to 99 % RH; Accuracy: ±5 % RH |
| Outdoor Temperature Range | –40.0 °C to 60.0 °C; Accuracy: ±1 °C |
| Outdoor Humidity Range | 1 % RH to 99 % RH; Accuracy: ±5 % RH |
| Atmospheric Pressure Range | 600 to 1,100 hPa (equivalent to 450 to 825 mmHg); Accuracy: ±5 hPa |
| Outdoor Sensor Channels | Default 1 channel, supports up to 3 channels (additional sensors optional) |
| Weather Forecast | 5 icons: Sunny, Cloudy, Overcast, Rainy, Snowy; predicts weather trend for the next 12 hours |
| Moon Phase Display | 12 moon phases, updated daily at 17:00 |
| Outdoor Temperature Alert | High/low thresholds configurable; frost icon (“❉”) appears when temperature is between 0–2.9 °C |
| Alarm & Snooze Function | Alarm function with 2-minute alert; 5-minute snooze; button sound on/off |
| Power Supply / Battery | Main unit: 3 × AAA batteries or DC 5V power supply; Outdoor sensor: 2 × AAA batteries (approx. 8 months battery life) |
| Wireless Connectivity | Outdoor sensor communicates via 433 MHz RF; transmission distance up to ~100 m in open area |
| Display Settings | 12 / 24-hour format; units selectable (°C / °F, hPa / mb / mmHg); supports 7 display languages |
