04Y2387 - Lenovo U.S. English Backlit Mobile Keyboard for ThinkPad T540

Technical Specs:
- Keyboard Layout: QWERTY (US)
- Backlit: Yes
- Connectivity: USB
- Compatibility: ThinkPad T540, T540p, W540, W541, T550, W550s, P50s
- Key Travel Distance: 2.2 mm
- Key Life Cycle: 10 million clicks
- Weight: 0.95 lbs

Helpful Notes:
1. The backlit feature is useful for typing in low light environments.
2. The keyboard is compatible with several ThinkPad models, making it versatile.
3. The long key travel distance and life cycle ensure durability and comfortable typing.