- Read range of up to 400 ft (line of sight) -Convenient Key Fob design -4 buttons to activate up to 4 different Wiegand devices -Secure, Rolling Code + Encryption, digital, anti-playback wireless transmission -Integrated 125KHz proximity module for close range access credential (can be used with Viking Proximity card readers and certain 125KHz HID**readers) -Replaceable CR2032 battery lasts up to 500,000 button presses -Robust buttons rated for up to 1 million activations -LED to indicate button press and battery strength -Internal silicone diaphram/gasket seals circuit board from moisture and debris -CE mark