Specifications:Power Supply: Button cellControl Method: Key control, photosensitive control, wired double button control (Optional)Audio Output: 0.5W/16¦¸Recording Time: 30sChanging Method: Repeatedly recordModule Size(L ¡Á W): 50 ¡Á 40mm / 1.97 ¡Á 1.57inch; Speaker Size: 30mm / 1.18inchGross Weight: 50g Instruction:1. Long press the recording button, then start recording after a “beep” sound. After the 30 seconds, there is double “beep, beep” sound, meaning the ending of the recording.2. Press the play button to play your recording after all recording finished; Press the play button to stop playing when playing recording. (For key control or wired double button control modules)3. This module will play your recording when exposed to light after all recording finished; and stop playing when kept away from light. (For photosensitive control module) Package List:1 x Recordable Voice Module with 3 Button cells
