light and sound buzzer for boreholes

{"cid":"91217338","title":"1MS Response Light and Sound Buzzer water depth indicator for Water&Conservancy","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/3a\/1d194a5d29631417c67b9904f481-200x200-1.jpg","attrs":{"Price":"1000-2000 \uff04 1 set","Brand Name":"Gold","Model Number":"GD-S","Minimum Order Quantity":"1 set","Delivery Time":"15 working days","Place of Origin":"Chongqing, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1 set per 5 days","Packaging Details":"Wooden Case","Product Name":"Borehole Water Level Meter Measuring Tape","Material":"Metal Alloy","Measuring range":"0-300m","Accuracy":"0.5 mm","Power":"Electronic","Response time":"<1 ms","Work temperature":"-20\u00b0C~+60\u00b0C","Power supply":"9v battery"}}