This Harmony XB5, USB biometric switch has a pre-wired USB cable connectionis supplied with 24V DC. This biometric switch allows control of authorization to access areas, machine commands and functions without the use of easy-to-lose keys. It has a high detection reliability with minimal false positive detections. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments. It is easily installed into standard 22mm diameter cut-outs. Its wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product.