The LuNAR RK150DTG3 is the ultimate ceiling motion detector for professional installations , incorporating both Anti-Mask and Anti-Cloak Technologies (ACT) . Built-in end-of-line (EOL)  resistors are included ti simplify the installation .                                                                                                              The detector features a 110 degree wide-angle Fresnel lens , providing 360 degree coverage .  Prices available on request .