Zebra RFD90. Type: Handheld bar code reader, Optical sensor resolution (W x H): 1280 x 800 pixels, Wavelength: 650 nm. Connectivity technology: Wireless, Standard interfaces: Wireless LAN, Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax). Product color: Black, International Protection (IP) code: IP65, IP67. Power source type: Battery, Battery type: Built-in battery, Battery capacity: 7000 mAh. Weight: 26.5 oz (751 g), Width: 7.44" (189 mm), Depth: 3.28" (83.4 mm)