Enhance your underwater detection capabilities with this high-performance Ultrasonic Underwater Distance Sensor, featuring an IP68 waterproof rating specially designed for reliable underwater applications. Engineered to deliver precise obstacle avoidance and distance measurement, this sensor offers outstanding compactness and minimal blind spot, making it an ideal choice for underwater robotics, swimming pools, and other aquatic environments. Key Features: · IP68 Waterproof Design: Ensures excellent protection against water ingress, enabling consistent and safe operation in submerged conditions. · High Accuracy Ultrasonic Ranging: Provides a detection range of up to 6 meters for flat objects with precise measurement accuracy—±(0.5+Sx0.5%) within 2 meters, and ±(1+Sx1%) beyond 2 meters—allowing for detailed and reliable distance sensing. · Minimal Blind Spot: Features a small blind spot distance of approximately 5 cm (2 inches), enhancing obstacle detection even in tight spaces. · Advanced Obstacle Avoidance: Effectively replaces traditional camera systems for underwater navigation, supporting obstacle avoidance at normal sailing speeds to improve safety and maneuverability. · Flexible Configuration: Supports module address, angle, and baud rate modification to customize sensor performance according to your project requirements. · Electrostatic Protection: Built-in electrostatic protection design complies with IEC 61000-4-2 standards, ensuring robustness and longevity in challenging environments. · Wide Operating Range: Functions efficiently across a temperature range of -15℃ to 55℃ and operates on a DC voltage from 5V to 24V with a low standby current of ≤1mA. · Fast Response Time: Powers on and begins working in less than 1 second, with controlled work cycles for consistent operation. Specifications: · Item Type: Underwater Distance Sensor · Waterproof Grade: IP68 · Working Temperature: -15℃ to 55℃ · Baud Rate: 115200bps (modifiable) · Working Voltage: DC5-24V · Standby Current: ≤1mA · Blind Spot Distance: Approx. 5cm / 2in · Flat Object Range: Approx. 6m / 19.7ft · Distance Measurement Accuracy:  – Within 2 Meter: ±(0.5+Sx0.5%)  – Beyond 2 Meter: ±(1+Sx1%) · Angle: 8-16° · Power On Working Time: ≤1s This Ultrasonic Underwater Distance Sensor is the perfect solution for underwater robots, swimming pool monitoring, and other aquatic distance measurement applications. Its durable, waterproof construction combined with advanced functionality ensures precise and reliable performance in underwater environments, delivering secure, efficient obstacle avoidance and distance sensing.