This module is definitely using imported chip, performance is very good, as long as you have a 3V ~ 5V battery (lithium batteries, nickel hydrogen batteries, etc.) can be easily obtained ± 12V voltage.
Ultra-small size, easy to install.
Input voltage range: 2.8V ~ 5.5V
Output voltage: ± 12V (V +: +12V, V-: -12V)
Output Current: + 12V stable output current capability of 50ma, -12V stable output current capability 30ma, almost meet all ADC, DAC and amplifier applications.
Size: 2.4 * 1.2cm