Dual Pack Dope Waterproof Ultrasonic Distance Sensor Module With 40kHz Transducer, 25cm to 4m Range, 75 Degree Detection Arc, 3.3V to 5.5V Operation, Sealed Design For Robots, Drones, And DIY Proximity Sensing

Dual Pack Waterproof Ultrasonic Distance Sensor Module 40kHz
✔️ 25cm-4m range, 75° arc, 3.3-5.5V, sealed probe

This dual-pack waterproof ultrasonic distance sensor module is built for reliable non-contact distance measurements in wet and harsh environments. It’s a popular choice for robots, drones, and DIY proximity sensing, enabling obstacle detection, automated control, and safe proximity feedback in outdoor or industrial settings.

✅ Operating voltage: DC 3.3-5.5V
✅ Static current: 5mA
✅ Total current draw: up to 30mA
✅ Range: 25 cm to 4 m
✅ Frequency: 40 kHz
✅ Detection angle: 75 degrees
✅ Sealed stripline probe for wet environments
✅ Not suitable for underwater use
✅ Compact size with low power and strong anti-jamming
✅ Pack includes 2 sensors in the dual-pack
✅ Applications: obstacle avoidance, distance sensing, automation

💡 What is a waterproof ultrasonic distance sensor used for in robotics and automation?

These handy sensors give non-contact distance readings in wet or challenging environments, helping machines detect obstacles, maintain safe spacing, and automate responses.

- Handy for obstacle avoidance on outdoor robots and drones
- Useful for proximity sensing in security and automation setups
- Works across 25 cm to 4 m with a 40 kHz transducer for reliable data
- Compatible with 3.3-5.5V power for battery-powered systems