The Mooer MEP-SKV SkyVerb reverb micro guitar effects pedal packs an incredibly BIG sound into a very small package.

The SkyVerb is a high quality digital reverb pedal that uses a 32 bit fixed point DSP chip. The pedal features three reverb modes:

Studio: Warm & natural indoor reverb. The decay knob can show different sizes of indoor reverb effects
Church: Church reverb, empty and smooth natural reflex reverberation
Plate: Plate reverb; let the steel or gold tinsel vibrate and get the man-made mixed sound by refering to the vibration frequency 
Features:

3 modes: Studio, Church, Plate
Mix: Mix effect/original signal continuously
Tone: Adjusts the heights of reverb signal
Decay: Adjust room size
The pedal switching is True Bypass, so the sonic integrity of your instrument is never lost.
Rugged full metal casing and quality switching in a small and exquisite design.
Dimensions (HxWxD): 93.5 x 42 x 52 mm