Mooer Micro ABY Channel Switch Can work without power supply

Feature

Micro ABY can be used in two ways, the signal path can flow from A/B to Y, or from Y to A/B
Can work without power supply (LED will not be lit up)
Full metal shell
Very small and exquisite
True bypass DC

http://stores.ebay.com/rhammant27 

Specification

A/B/Y Jack: 1/4 monaural jackPower 

Requirements: AC adapter 9V DC (center minus plug), canwork with out power (LED doesn’t work)

Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)

Weight:160g