Specification Brand : ManeePowerAlice BulletPoint1 : DHT11 sensor adopts , The module can detect surrounding environment of the humidity and temperature , High reliability and excellent long-term stability output form digital output , has fixed bolt hole and easy installation , Cables are free for you BulletPoint2 : Specification: Humidity measurement range: 20%~90%RH , Humidity measurement error: ?5%RH , Temperature measurement range: 0~60 C , BulletPoint3 : Temperature measurement error: ?2 C , Working voltage :5 V Size: 28x12x8mm BulletPoint4 : It's brand new, good quality & high performance. ** PLS PAY ATTENTION the accurate size & voltage rate before placing order in order to avoid buying wrong thing. Free Shipping & the deliver time to USA is approx. 10-18 days after the shipment date. BulletPoint5 : Accuracy: humidity 2.5%±1%RH Color : Black ExternallyAssignedProductIdentifier1 : 0769471389822 ExternallyAssignedProductIdentifier2 : 769471389822 ItemName : 5PCS DHT11 Temperature and Relative Humidity Sensor Module for arduino ItemPackageDimensions_Height : 22 centimeters ItemPackageDimensions_Length : 28 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : humidifier-accessories Manufacturer : ManeePowerAlice MountingType : Tabletop PartNumber : Module 0213 ProductDescription : Package Included: 5 x New DHT11 Temperature and Relative Humidity Sensor Module for arduino ProductSiteLaunchDate : 2016-11-27T14:03:11.760Z Size : Large Voltage : 1.5 volts