High quality AC digital ballalst: 1. German imported circuit scheme, high stability and durability 2. Full Digital 3. Constant Power 4.Anti-interference 5. 2A 6 Layer PCB 6. Open/short circuit protection, Over/under voltage protection, Reverse polarity protection Micars Lighting Co., Ltd Wechat&whatsapp:+86 186 7560 3095 Skype:micars8@micarslighting.com Email:micars8@micarslighting.com Website: www.micarslighting.com