915 Generation 5Pcs -SR04 Distance Sensor with 2Pcs Mounting Bracket for

Test mode: use IO flip-flop for high signal. (not less than 10us), the module automatically sends eight 40 kHz and detects whether there is a signal.
Detection area: 0.78~196 inches / (2cm~500cm); High precision: up to 0.12 inches (0.3cm) Effective angle: less than 15°.
Power supply: 5V DC; mute current: less than 2mA.
Test distance = (altitude duration) * (sound wave: 340m/s)/2 Colour: blue
Material: plastic + metal Package Contents:
5 * -SR04 Distance Sensor
2 * Mounting Bracket(Support -SR04 only)
10 * Male to Female Jumper Wires Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.