Optex LX-402 is an outdoor passive infrared detector with a 120° wide angle and a range of up to 40ft (12m). It features selectable detection area patterns, sensitivity, and pulse count, allowing for customization to suit specific needs. The device is suitable for both day and night operation and is waterproof (IP Rating: IP54), making it ideal for outdoor use. Additionally, it has a tamper switch and a form C relay output, providing enhanced security and flexibility.