15cm blind zone underwater obstacle avoidance sensor

{"cid":"91188394","title":"Four-Beam Underwater Obstacle Avoidance Sensor with 15cm Blind Zone 10.8-26VDC Power Supply and 3m Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/74\/346c844dc40ec722f3baa1acfb67-200x200-1.jpg","attrs":{"Brand Name":"kacise","Model Number":"Four-Beam","Minimum Order Quantity":"1pcs","Delivery Time":"5-8 work days","Certification":"ce","Place of Origin":"china","Payment Terms":"MoneyGram,Western Union,T\/T,D\/P,D\/A,L\/C","Supply Ability":"1000 Piece\/Pieces per Week negotiable","Packaging Details":"each unit has individual box and all boxes are packed in standard packages or customers requests available","Blind zone":"15cm","Power supply":"10.8 VDC to 26VDC","Range":"3m","Ambient temperature":"-20\u00b0C < 60\u00b0C","Communication":"TTL communication, ModBus-RS485 protocol","Measurement accuracy":"\u00b10.5% (maximum range)"}}

{"cid":"91198955","title":"300KHZ 20KHZ Narrow Beam Ultrasonic Sensor Ultrasonic Air Transducers","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/7e\/fd68d95946a4cefd95a489e9127c-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"TAIMI","Model Number":"TM-20-200khz Ultrasonic Gas Flow Sensor","Minimum Order Quantity":"1000PCS","Delivery Time":"10~20days","Certification":"ISO,RoHS CE","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"100000\/month","Packaging Details":"safe packaging","Type":"Piezoresistive Ceramic 200khz gas sensor","Application Humidification":"Air Conditioning and Refrigerator Piezoresistive Ceramic gas sensor","Output":"4-20mA(2 Wires)\/0-5V\/0-10V","Material":"Ceramic Al2O3 96%","Frequency":"200khz 300khz Air ultrasoinc sensor","Usage":"Air Sensor","Color":"White","Application":"Air and liquid filtration","Warranty":"3 years,2 Years","Keywords":"Air sensor transducer 200khz sensor"}}