... 50/60HZ 2. Laser color: Red and blue 3. Product weight:1.93kg Specification ModelHF-168BLaser Device500 mW blue light ... synchronization(it can connect dozens of machine online), when there is no signal, the machine can automatic closed the light; the machine can automatic closed ... , spin, serial, a shadow, star, petal, large cross and so on many kinds of different effect, which can let you feel much ...