• Based on MP2307 Chip. 
• High Efficiency! Dual 100 mOhm MOS Rectifiers. 
• Monolithic Synchronous Buck Regulator.
• Input voltage: 4.75-23V DC
• Output voltage: 0.93 V-18V DC @ 2A
• Output current: Peak 3A, continuous 2.2 Amp.
• Red LED Indicator
• Solid Ultra Low ESR Ceramic SMD Capacitors
• ON/OFF Button Switch
• No-load current: about 18mA
• Conversion efficiency(max): 94%
• Switching frequency: 340KHz
• Output ripple: 20mV
• Operating temperature: -40℃ to +85℃
• Dimensions Approx: 20mm (L) x 33mm (W) x 6.5mm (H)
• Chip datasheet HERE