**Features:**

- Portable size with rubber shell protection for durability
- Large LCD display with backlight for enhanced visibility
- Multiple air velocity units: m/s, Ft/min, Knots, Km/h, Mph
- Temperature unit selection: °C or °F
- Capable of measuring wind speed and temperature
- Max, average, and current air velocity measuring modes
- Chill indication and battery level indication
- Auto power-off function to conserve battery life

**Specifications:**

- Model Number: GM816
- Air Velocity Range: 0 - 30m/s, 0 - 5860Ft/min, 0 - 55Knots, 0 - 90km/h, 0 - 65Mph
- Resolution: 0.1m/s, 19Ft/min, 0.2Knots, 0.3km/h, 0.2Mph
- Accuracy: ±5%
- Air Temperature Range: -10°C ~ +45°C (14°F ~ 113°F)
- Temperature Resolution: 0.2°F, 0.36°F
- Temperature Accuracy: ±2°C, ±3.6°F
- Operating Temperature: -10°C ~ +45°C (14°F ~ 113°F)
- Operating Humidity: ≤ 90% RH
- Storage Temperature: -40°C ~ +60°C (-40°F ~ 140°F)
- Power: 3V CR2032 battery (not included)
- Current Consumption: About 3mA

**Included in Package:**

- GM816 Anemometer

**Warnings & Advice:**

Ensure not to expose the device to maximum humidity levels or extreme temperatures to maintain accuracy and functionality. The battery is not included, so purchase a 3V CR2032 battery for operation. This versatile anemometer is perfect for activities such as windsurfing, sailing, or measuring airflow in various appliances, making it an essential tool for both professionals and enthusiasts.