Note: Our have limited applicability cannot match all types of FRID cards -in buzzer LED The reading distance is 0-6 cm (0-2 4 inches) with 125KHz RFID cards Supports EM4100 ID cards, 5200 cards, AWID cards, EM4305 cards, T5577 cards some types of HID cards 13 56MHz IC card or UHF, UID card, HID iCIass, HID Pr0xCard II, HID Pr0xKey III are not supported Hheld shape design Comfortable in h, operates on 2 AAA batteries, easy to carry (batteries not included) Widely used in homes, communities, schools, offices, hotels, elevators, any other place requires security monitoring or access control support Colour: Blue Material: Plastic Package Contents: 1 RFID ID Writer 10 EM4305 Writable Card Only the above package content, other products are not included Note: Light different displays may the color of the item in the a little different from the real thing The measurement allowed error is and\/- 1-3cm