Dia-Duo Complete System. Dia-Duo is an advanced cordless obturation system, which consists of both Duo-Gun BackFill Obturation System and Duo-Pen Warm Vertical Compaction System. Having the two components together in one device will save space on your work surfaces, and both systems can be fully charged within just 90 minutes. Features of the Duo-Pen Vertical Compaction Device: Effectively and tightly compacts and seals all canals including lateral canals Softens, spreads, cuts, and compacts gutta percha Ergonomic design: cordless and lightweight. Easy to hold, clean, and store Handpiece remains cool to touch during operation Quick heating tip reaches the highest level of temperature within one (1) second to save treatment time Display window on handpiece clearly displays remaining battery power, error, and setting temperature Smart temperature control monitors and prevents heating condenser from burning out Duo-Pen handpiece automatically recognizes the size of the heating condenser inserted Color-coded heating condensers are available in various sizes(#.04-40, .04-45, .04-50, .06-50, .08-55) for easy identification Three temperature settings: 170°C, 200°C, and 230°C Replaceable high energy density lithium-ion battery Simple operation with two buttons: Power/Temperature Button & Operation/Heating Button Features of the Duo-Gun Backfill Obturation System: Cordless and compact design allows complete freedom of movement Smooth and precise gutta percha delivery Variable temperature settings (140°C, 170°C, 200°C): precise control of obturation flow Quick and durable heating system: temperature reaches 200°C within 15 seconds Fast and continuous flow of gutta percha filling tightly seals the canal Designed for both left-handed and right-handed individuals:Both sides of the handpiece have a power button and display windowBoth display windows show the remaining battery power, error, and setting temperature Sophisticated and ergonomic design: operate hand trigger obturation with minimal effort Smart temperature control system maintains stable and constant temperature during operation Replaceable high energy density lithium-ion battery Strong, durable, and bendable Duo-Gun tips are available in both 23G and 25G What's in the box? Duo-Gun Handpiece, Duo-Pen Handpiece & Duo-Charger Accessories: Heating Tips 04-50, and 06-50, Duo-Pen Battery, Disposable Sheaths. Gun Obturation Needles (x4), Gutta Percha pellets, Duo-Gun Battery, Safety Cap, Plunger set, Multi Tool, Scrubbing Brush, Power Adapter, AC Power Cord