Battery free wireless two

The mouse can connect to two different computers with USB receiver mode and Bluetooth mode. Press the mode button to switch between the two modes and computers. When the battery level is low, the indicator light will blink red once the mouse is turned on.

The CORSAIR DARK CORE RGB PRO SE boasts three ways to connect, including sub-1ms SLIPSTREAM wireless. A custom 18,000 DPI optical sensor comes optimized for low power consumption, and hyper-polling technology communicates with your PC at up to 2,000Hz. Its contoured shape and two interchangeable side grips ensure comfort and control, while a USB-C connection and Qi wireless technology makes charging a breeze with up to 50 hours of battery life. Stand out with nine-zone dynamic RGB backlighting, including a vibrant light bar, and gain an in-game advantage with eight buttons programmable with macros and remaps. Control lighting, button assignments, and more with powerful iCUE software, while onboard storage saves up to three profiles so you can win without wires, anywhere.

DS-PDD12P-EG2-WE is a fully supervised two-way wireless detector featuring motion and microwave detection, tamper protection, low battery and supervision. It can operate for up to 5 years from two in-built batteries, and monitors the area within 12m radius, ignores animals while recognizing human from the first step.