Features: 100% Brand new and high quality! This module performance is stable measure the distance accurately. Performance nearly the same as SRF05 SRF02 SRF05 SRF02 ultrasonic distance measuring module and other comparable. Module High precision blind spots (2cm) super close. Specifications: Voltage: DC 5V Static current: less than 2mA Electrical level output: 5V high Electrical level output: at the end of 0V Induction angle: not more than 15 degrees Detection distance: 2cm-450cm High precision: 2mm Wiring: VCC trig (control side) echo (receiving end) GND Size: approx. 4.5 x 2 x 1.5cm Net Weight: 8g Package Includes: 1 x Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor for arduino