It supports the high speed data rates of usb 2.0 Peripheral devices. It is also fully compatible with all earlier usb devices. The usb cable ensures high-speed, error-free data transfer. The connector is usb type a male to type b male. Supports plug and play connections for devices such as external hard drives, modems, printers, scanners, digital cameras, digital video cameras and other usb peripherals. Pc and mac compatible. Color: black. Cord length: 10 feet / 3m. This DHT11 Temperature & Humidity Sensor features a temperature & humidity sensor complex with a calibrated digital signal output. By using the exclusive digital-signal-acquisition technique and temperature & humidity sensing technology, it ensures high reliability and excellent long-term stability. This sensor includes a resistive-type humidity measurement component and an NTC temperature measurement component, and connects to a high-performance 8-bit microcontroller, offering excellent quality, fast response, anti-interference ability and cost-effectiveness. Digital Output Single Wire Output Stable & long term accuracy Full range temperature compensated Relative humidity and temperature measurement Calibrated digital signal Outstanding long-term stability pins packaged and fully interchangeable DHT11 output calibrated digital signal. It utilizes exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements are connected with 8-bit single-chip computer. Each DHT11 element is strictly calibrated in the laboratory that is extremely accurate on humidity calibration. The calibration coefficients are stored as programs in the OTP memory, which are used by the sensor's internal signal detecting process. The single-wire serial interface makes system integration quick and easy. Its small size, low power consumption and up-to-20 meter signal transmission making it the best choice for various applications, including those most demanding ones. The component is 4-pin single row pin package. It is convenient to connect and special packages can be provided according to users' request. Power supply - 3-5.5V DC Output signal- digital signal via single-bus Sensing element- Polymer resistor