1.A Micro-Power module, the ID-12uP that draws an unbelievable 5uA at 3v. 2.A Stand-alone reader module with internal memory for 48 cards, theID-12LA-SA 3. An HID-EM Dual system Module for 125khz, the new ID-12LA-HE 4. An ISO11785 module for 134khz, theID-12LA-ISO 5. The amazing Ix5 Anti-collision Reader that can simultaneously read up to 5 EM4001/EM4100 cards with super range, up to 100cm