SPECIFICATIONS: Product name: SWIMMING POOL ALARM SECURE AND RELIABLE Meets CE, NF P90-307 ASTM standards >>Sound alarm in just 13 seconds in pool 16x32 sq feet; >>Main unit and Receiver sound together with light flashing and help alert those who may be hard of hearing; >>Alarm level: 85dB within 3.5m. >>Elegant design make it no false operation by child; >>Receiver with back-up battery inside in case of power failure; >>Automatically activate after swimming; >>With low battery warning; EASY TO INSTALL, AND CONVENIENT TO USE >>Install directly, no need to disassemble; >>Applicable for different pool base; >>With adjustable sensor tube, applicable for different water >>Just take off the screw, battery case will pop up, easy to >>Two control buttons for all the function, no need remote DIVERSIFIED FUNCTIONS >>Audio alarm & visual alarm; >>Reset function; >>Automatic a…