General

Model			DS-820W	DS-920DW
Power Source			USB bus-power / Li-ion battery
Power consumption		Scanning / Battery Charging	5 V / 500 mA or less
		Battery full-charged / Power Off	5 V / 1 mA or less
Dimensions (W x D x H)		Width	12.1 in. (308.0 mm)
		Height	1.6 in. (40.7 mm)	1.6 in. (41.2 mm)
		Depth	2.1 in. (52.5 mm)	2.6 in. (66.9 mm)
Weight			Approx. 0.97 lb (440 g)	Approx. 1.17 lb (530 g)
Temperature		Operating	41 to 95 ° F (5 ° C to 35 ° C)
Humidity		Operating	15 to 85 %
		Storage	10 to 90 %
Document Size	Single Paper	Width	2.2 in. to 8.5 in. (55 mm to 215.9 mm)
		Length	1 side scan 3.5 in. to 32 in. (90 mm to 812.8 mm)
			-	2 side scan 3.5 in. to 16 in. (90 mm to 406.4 mm)

Scanner

Model			DS-820W	DS-920DW
Color / Black			Yes / Yes
Duplex Scan			No	Yes
TWAIN Compliant	Windows®		Windows ® XP / Windows Vista ® / Windows ® 7 / Windows ® 8 / Windows ® 10
	Macintosh		Mac OS X 10.6.x, 10.7.x, 10.8.x,10.9.x, 10.10.x, 10.11.x, 10.12.x, 10.13.x
Color Depth	Input		48 bit color Processing
	Output		24 bit color Processing
Resolution	Optical		Up to 600 × 600 dpi
	Interpolated		1200 dpi
Scanning Width			Up to 8.5 in. (216 mm)
Gray Scale	Input		16 bit
	Output		8 bit
Scanning Max. Speed		Mono	8.0 ppm (7.5 seconds (Letter) up to 300 dpi) 7.5 ppm (8 seconds (A4) up to 300 dpi) 4.3 ppm (14.1 seconds (Letter) above 400 dpi) 4 ppm (15 seconds (A4) above 400 dpi)
		Color	8.0 ppm (7.5 seconds (Letter) up to 300 dpi) 7.5 ppm (8 seconds (A4) up to 300 dpi) 4.3 ppm (14.1 seconds (Letter) above 400 dpi) 4 ppm (15 seconds (A4) above 400 dpi)
Duplex Scanning Max. Speed		Mono	-	5.3 ppm (11.3 seconds (Letter) up to 300 dpi) 5 ppm (12 seconds (A4) up to 300 dpi) 3 ppm (19.8 seconds (Letter) above 400 dpi) 2.9 ppm (21 seconds (A4) above 400 dpi)
		Color	-	5.3 ppm (11.3 seconds (Letter) up to 300 dpi) 5 ppm (12 seconds (A4) up to 300 dpi) 3 ppm (19.8 seconds (Letter) above 400 dpi) 2.9 ppm (21 seconds (A4) above 400 dpi)

Li-ion battery

Model			DS-820W	DS-920DW
Charging time			4 hours
Continuous standby time (WLAN OFF)			5 minutes (when the auto power function is active.)
Scannable number of sheets (WLAN ON)			90 sheets	140 sheets
Scannable number of sheets (WLAN OFF)			450 sheets	680 sheets

Interfaces

Model			DS-820W	DS-920DW
USB			Hi-Speed USB 2.0 Use a USB 2.0 cable (Type A / Micro-B) that is no more than 4 feet (1.2 meters) long.
SD card			SD card memory size limit: between 2GB - 32GB When you do not use the SD card that came with your scanner, any operation is not guaranteed.
Wireless LAN			IEEE 802.11b/g/n

Network

Model			DS-820W	DS-920DW
Network (common)	Protocol (IPv4)		ARP, DNS Resolver, HTTP, ICMP, DHCP with BOOTP
Network Security	Wireless		SSL/TLS (HTTPS)
Wireless Network Security			WEP 64/128 bit, WPA-PSK (AES), WPA2-PSK (AES)	WEP 64/128 bit, WPA-PSK (TKIP/AES), WPA2-PSK (AES)
Wireless Certification			Wi-Fi Certification Mark License (WPA™/WPA2™, Personal)

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