10Pcs HY-SRF05 Ultrasonic Distance Sensor Module Measuring Sensor Module Description: This module performance is stable, measure the distance accurately. Module precision, blind spots (2cm) super close. Specification: Input voltage: 5V DC Quiescent current: < 2mA Output level(high): 5V Output level(low): 0V Induction angle: < 15 Detection distance: 2cm - 450cm Accuracy: up to 0.3cm Blind spots: 2cm Package included: 10 x HY-SRF05 ultrasonic distance sensor module