This superior quality Proximity reader is rugged, weather-resistant and attractive in design. The product was designed to reduce stock levels. Blue backlit LED assist operation in low or no light environment. With the internal sounder, 6609P provides superior accessibility. 6610P-4 can be easily disinfiected in areas where hygine is important, and has an exceptionally long life due to no moving parts. The unit resists the elements such as glue, oil, rain, ice, snow. Ideal for hopsitals, industrial and commercial application This dual-application product has advanced reader features for wide compatibility with different controller types including multiple RFID card transmission formats, LED & Buzzer control.