High accuracy and wide measuring range. Stable performance, supports long time use. With and clear display for better readability. Four digital screens, display hatching countdown, incubation , temperature and humidity. Comes with temperature sensor and humidity sensor. Suitable for hatching chickens, ducks, gooses, pigeons, quail, . Specifications: Model: ZFX-W9002 : 12V Temperature control range: 0~110 Celsius Humifdity range: 1-99% Control precision: 0.1 Celsius Item size: 150 x 88 x 28mm / 5.9 x 3.46 x 1.1in Colour:black Material:plastic Package Contents: 1 * Controller with Temperature & Humidity Sensor 1 * English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.