The Multi-Device Dual Wireless Compact Keyboard lets you connect and switch between up to three devices at a time computer, tablet, or phone, using Bluetooth 3.0 or 5.0 or 2.4GHz wireless with 128-bit AES encryption. Smooth, responsive scissor keys include multimedia hot keys. Windows, macOS, iOS, and Chrome OS compatible. Low battery indicator, so you’re never caught off guard. Includes two AAA batteries.FeaturesMulti-Device Dual Wireless Compact KeyboardMost advanced ISP, 1/28 inch 5MP sensor, providing users crystal clear video20x Optical Zoom, with 60.5 degree field of view – ideal for large space AV solutionIP Video Streaming, includes both H.264 and H.265 video encoding1080p 60 full HD video over NDI HX, 3G-SDI, HDMI, USB output video simultaneouslyWDR, 3D Ambient Noise Reduction featurePower over Ethernet: one single CAT5/6 cable for video, control, tally, and powerLive RTSP streaming, for direct YouTube Live and Facebook LiveUnique Focusing Algorithm: fast and precise focusing performance when zooming or movingSmooth PTZ mechanical design, accurate pan and tilt motor controlUp to 128 presetsStandard Sony VISCA, IP VISCA, PELCO-P, PELCO-D control protocol; IP VISCA over both TCP and UDPDaisy chain supportedImage flip function, supporting inverted installationSupplied with IR remote control, use to set IP address via OSD menu as well as full camera function controlSupport multiple browsers to view video such as IE, Chrome, Firefox, Safari in both Mac and Windows systemSpecificationsKeyswitch Technology: ScissorsKeyboard Connectivity Technology: WirelessKeyboard Wireless Technology: Bluetooth/RFWireless Operating Frequency: 2.40 GHzKeyboard Height: 0.86 Keyboard Width: 11.34 Keyboard Depth: 4.92 Weight: 1.06 lbs.