Compatible with the Phantom 3 Professional and the Phantom 3 Advanced. 
Operating voltage of 5 V, vertical measurement accuracy of ± 0.1m (within the working range of ultrasonic waves). 
Operating range of 50cm - 300cm, altitude range of 50cm - 300cm, operable in brightly lit environments (lux > 15) and on patterned surfaces, and velocity range below 8 m/s (2 m above ground).