Product comparison · 2 numeric keypads

Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey vs Lenovo KBD_BO Num Keypad 1

10specifications compared
6differ
4identical
18known for one product only

Key differences

Device interface
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:RF Wireless
- KBD_BO Num Keypad 1:USB
Ergonomic design
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Yes
- KBD_BO Num Keypad 1:No
Product colour
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Grey
- KBD_BO Num Keypad 1:Black
Power source type
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Battery
- KBD_BO Num Keypad 1:USB
Weight
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:109 g
- KBD_BO Num Keypad 1:135 g
Package weight
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:277 g
- KBD_BO Num Keypad 1:200 g

Side by side

Differences highlightedShow differences only

Comparison of 4Y41C33791, KBD_BO Num Keypad 1
28 specifications	A Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey Model 4Y41C33791 View product	B Lenovo KBD_BO Num Keypad 1 View product
Features1 differ
Device interfaceDiffers	RF Wireless	USB
Key switch typeKnown for one	Tactile	Unknown — not stated by the source
Keyboard number of keysKnown for one	21	Unknown — not stated by the source
Keys operating lifeKnown for one	10 million characters	Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Design2 differ
Ergonomic designDiffers	Yes	No
Product colourDiffers	Grey	Black
Cable lengthKnown for one	Unknown — not stated by the source	1 m
CertificationKnown for one	Unknown — not stated by the source	CB, CE, cTUVus, EAC, FCC, ICES, KCC, MI, RCM, TUV, Ukraine DoC, VCCI
Power1 differ
Power source typeDiffers	Battery	USB
Operating voltageKnown for one	Unknown — not stated by the source	5 V
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	132.8 mm	Unknown — not stated by the source
DepthKnown for one	85 mm	Unknown — not stated by the source
HeightKnown for one	13.5 mm	Unknown — not stated by the source
WeightDiffers	109 g	135 g
Packaging data1 differ
Package widthKnown for one	180 mm	Unknown — not stated by the source
Package depthKnown for one	127 mm	Unknown — not stated by the source
Package heightKnown for one	43 mm	Unknown — not stated by the source
Package weightDiffers	277 g	200 g
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 95%	Unknown — not stated by the source
Other featuresidentical
Wireless receiver interfaceKnown for one	USB	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.

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