Adapter Specifications: AC100-240V 50/60HZ Product Specification: 12V 3A Strong Light Energy: 5.0J～9.0J Wavelength Range: 550nm ～1200nm Light Output Area: ≈3.0cm² Manual*1 Product size: 176*60.66*38.66mm Pull-out box size: 223*164*67mm Carton size: 48*35.5*38.5cm Quantity per Carton: 20PCS