Note Our readers have limited applicability and cannot match all types of FRID cards. Builtin buzzer and LED. The reading distance is 06 cm 024 inches. Compatible with most 125KHz RFID cards. Supports EM4100 ID cards, 5200 cards, AWID cards, EM4305 cards, T5577 cards and some types of HID cards. 1356MHz IC cards or UHF, UID cards, HID iCIass, HID Pr0Card II, HID Pr0Key III are not supported. Handheld shape design. Comfortable in the hand, powered by 2 AAA batteries, easy to use and carry. batteries not included Widely used in homes, communities, schools, offices, hotels, elevators and any other places that require security monitoring or access control support. Color Blue Material Plastic Package Contents 1RFID ID printer10EM4305 writable cardOnly the above package content, other products are not included.Note Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is13 cm.