Model No : Yamaha PSR-F50 Musical Keyboard

Specifications :

Size/Weight
Dimensions
Width  -  940 mm (37?)
Height  -  109 mm (4-5/16?)
Depth  -  306 mm (12-1/16?)
Weight
Weight  -  3.4 kg (7 lbs., 8 oz.) (not including batteries)

Control Interface
Keyboard
Number of Keys  -  61
Touch Response  -  No
Display
Type  -  LED display
Language  -  English
Panel
Language  -  English

Voices
Tone Generation
Tone Generating Technology  -  AWM Stereo Sampling
Polyphony 
Number of Polyphony (Max.)  -  32
Preset
Number of Voices  -  120

Effects
Types
Reverb  -   Yes (Fixed in Voice/Non controllable)
Chorus  -   Yes (Fixed in Voice/Non controllable)
Functions
Panel Sustain  -  Yes

Accompaniment Styles
Preset
Number of Preset Styles  -  114
Fingering  -  Multi
Style Control  -  Main, Fill-in

Songs
Preset
Number of Preset Songs  -  30

Functions
Lesson/Guide  -  Part Mute
Overall Controls
Metronome  -  Yes
Tempo Range  -  Yes
Transpose  -   -12 to 0, 0 to +12
Tuning  -  Yes

Storage and Connectivity
Connectivity
DC IN  -  DC IN 12V
Headphones  -  PHONES/OUTPUT (MINI-Jack)

Amplifiers and Speakers
Amplifiers  -  2.5W + 2.5W
Speakers  -  8cm x 2

Power Supply
Power Supply  -  AC Power Adaptor (PA-3C, PA-130) or Batteries (Six 1.5V ?AA? size Alkaline, Manganese or 1.2V Ni-MH rechargeable batteries or equivalent)
Power Consumption  -  6W (with PA-130)

Warranty  - 3 Years Manufacturer Warranty.