induction lamp electronic ballast 1. 5 years warranty 2. CE, FCC, RoHS 3. No glare, no flickering; 4. Pf: 0.99 induction lamp electronic ballastWelcome your kind visit ... to stabilize the voltage signal, Varieties of DC electronic ballast in 15W,23W,40W, make induction lamp widely used in emergency lighting, solar lighting ...