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*FEATURES *Operating Voltage Range: 3V ~ 6.5V *Single Chip, High Quality Audio/Voice Recording & Playback Solution. *No External ICs Required. *Minimum External Components. *User Friendly, Easy to Use Operation. *Programming & Development Systems Not Required. *170/ 340/ 680 sec. Voice Recording Length in aPR33A1/aPR33A2/aPR33A3 *Powerful 16-Bits Digital Audio Processor. *Nonvolatile Flash Memory Technology *No Battery Backup Required. *External Reset pin. *Powerful Power Management Unit *Very Low Standby Current: 1uA *Low Power-Down Current: 15uA *Supports Power-Down Mode for Power Saving.
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Designed with the open frame type and mount board, high power. Easy to install for the electric door lock or other automatic door lock systems with the mounting board. silver tone Total Size : 6.6 x 4 x 2.7cm/2.6'' x 1.5'' x 1''(L*W*H);Cable Length : 24cm/9.4'';Mounting Hole Size : 6.8 x 3mm/0.26" x 0.12"(L*W)