Product name Wired road studs controller ? Features Input voltage:220V AC Output voltage:24V DC Work Temperature -20℃~+60℃ Fuse maxi current 6A Control model Steady or flashing Control maxi wires road studs Can controller 100pcs ? ? Applications *Side of the road *Foggy area (seaside,airport area) *Highway or non-street light area *The Ramp *Curve or some dangerous road ?Can also be connected with the traffic lights. It shining with the same color as the traffic light. ?To show zebra crossing and and warn passengers when the light turns red. ?