Product comparison · 2 numeric keypads

KeySonic ACK-118BK numeric keypad Universal USB Black vs Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey

20specifications compared
16differ
4identical
20known for one product only

Key differences

The Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey has 3 more keyboard keys than the KeySonic ACK-118BK numeric keypad Universal USB Black (21 vs 18). The Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey has 9 million characters more keys operating life than the KeySonic ACK-118BK numeric keypad Universal USB Black (10 million characters vs 1 million characters). The Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey has 0.8 mm more width than the KeySonic ACK-118BK numeric keypad Universal USB Black (132.8 mm vs 132 mm). Device interface: USB on the KeySonic ACK-118BK numeric keypad Universal USB Black, RF Wireless on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey. Product colour: Black on the KeySonic ACK-118BK numeric keypad Universal USB Black, Grey on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey.

Device interface
- ACK-118BK numeric keypad Universal USB Black:USB
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:RF Wireless
Keyboard number of keys
- ACK-118BK numeric keypad Universal USB Black:18
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:21
Keys operating life
- ACK-118BK numeric keypad Universal USB Black:1 million characters
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:10 million characters
Product colour
- ACK-118BK numeric keypad Universal USB Black:Black
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Grey
Power source type
- ACK-118BK numeric keypad Universal USB Black:USB
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Battery
Width
- ACK-118BK numeric keypad Universal USB Black:132 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:132.8 mm
Depth
- ACK-118BK numeric keypad Universal USB Black:92 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:85 mm
Height
- ACK-118BK numeric keypad Universal USB Black:10 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:13.5 mm

Side by side

Differences highlightedShow differences only

Comparison of ACK-118BK, 4Y41C33791
40 specifications	A KeySonic ACK-118BK numeric keypad Universal USB Black Model ACK-118BK View product	B Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey Model 4Y41C33791 View product
Features3 differ
Device interfaceDiffers	USB	RF Wireless
Purpose	Universal	Universal
Pointing device	No	No
USB hub	No	No
CalculatorKnown for one	Yes	Unknown — not stated by the source
Keyboard number of keysDiffers	18	21
Hot keysKnown for one	Yes	Unknown — not stated by the source
Keys operating lifeDiffers	1 million characters	10 million characters
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Key switch typeKnown for one	Unknown — not stated by the source	Tactile
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Design1 differ
MaterialKnown for one	Silicone	Unknown — not stated by the source
Retractable cableKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Product colourDiffers	Black	Grey
CertificationKnown for one	CE, FCC, WEEE	Unknown — not stated by the source
Ergonomic designKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power source typeDiffers	USB	Battery
Operating voltageKnown for one	5 V	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Windows 2000, Windows 2000 Professional, Windows 95, Windows 98, Windows ME, Windows NT, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home	Yes
Weight & dimensions4 differ
WidthDiffers	132 mm	132.8 mm
DepthDiffers	92 mm	85 mm
HeightDiffers	10 mm	13.5 mm
WeightDiffers	76 g	109 g
Packaging data4 differ
Package widthDiffers	112 mm	180 mm
Package depthDiffers	16 mm	127 mm
Package heightDiffers	213 mm	43 mm
Package weightDiffers	105 g	277 g
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 40 °C
Storage temperature (T-T)Known for one	-20 - 80 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	10 - 100%	20 - 95%
Storage relative humidity (H-H)Known for one	10 - 100%	Unknown — not stated by the source
Other featuresidentical
Protection featuresKnown for one	Dust resistant, Water resistant	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP64	Unknown — not stated by the source
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB
Logistics dataidentical
Harmonized System (HS) code	84716060	84716060
Products per master (outer) caseKnown for one	100 pc(s)	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More numeric keypad comparisons

All numeric keypad comparisons