Description: The Led Curing Light have to 3 differents modes of polimerizationning: FAST (F): full light output RAMP (R): soft start light output PULSE (P): pulsar light with 0,2 second light off per second Working cordless or with cable Technical features: Switch power supply: free use from 100V to 240V No heat curing led No noisy fan Wave lenth 430-490 nm