Product :Wireless Whiten Accelerator & LED Curing Light(TD-300A) Wireless Whitening Accelerator+Wireless Curing Light=Double Function High Power Curing all dental material Usable many times Unique thermal system Full color LED display Various curing programs(convenient function for user) Ergonomic design Interchangeable battery pack Model: TD-300A Company: Tree Dental One-Stop Purchasing Service