DESKRIPSI: This DHT11 temperature and humidity sensor shield is specially designed for ESP8266 ESP-01 ESP-01S development board. On-board 8pin socket enable you plug the wifi transceiver to the board directly perfect for DIY your wireless temperature/humidity webserver system. color: blue Material: Plastic + Metal Module Size(assembled): 160X30X25mm / 6.30X1.18X0.98inch(L*W*H) Working Voltage: DC 3.7-12V Package Included: 1 X DHT11 Humidity Temperature Sensor Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.