ITEM NAME:Digital Temperature & Relative Humidity Sensor DHT11 Module for Arduino Descriptio n Description: I. Size: Length: 30.5mm ; Width: 12mm; Height: 7.2mm Ii. Sensor Model: DHT11 Temperature And Humidity Sensor Iii. Working Voltage: 5V Dc Iv. Features: 1. Humidity Measurement Range: 20---90%RH 2. Humidity Measurement Accuracy: Â ±5%RH 3. Temperature Range: 0---50℃ 4. Temperature Measurement Accuracy: Â ±2℃ 5. Operating Voltage: DC5V/ 3.3v 6. Digital Signal Output 7. Pull Resistor On Data Port 8, With 3mm Fixing Screw Hole, Easy To Install V. Connection Method: VCC → 3.3v /5V Positive Pole GND → Power Negative DATA → Microcontroller IO Port Tips: Do Not Connect VCC With GND, Which Will Burn! Package Included: 1 * Digital Temperature & Relative Humidity Sensor Module High quality buy, happy buyï ¼ Digital Temperature & Relative Humidity Sensor DHT11 Module for Arduino.Sensor Model: DHT11 Temperature And Humidity Sensor. 1 Digital Temperature & Relative Humidity Sensor Module. Pull Resistor On Data Port. Temperature Range: 0---50℃. Digital Signal Output. I. Size: Length: 30.5mm ; Width: 12mm; Height: 7.2mm.