Dahua / Accessories / Pinhole Pickup / Omni-Directional / 104dB / 12VDC / DH-HAP100 OPS_AL_Networx and several other makes/models that

and several other makes/models that use similar protocols

Operating Voltage 12~24 VDC/VAC Current Draw - Standby 15mA@12VDC Current Draw - Keypress 40mA@12VDC Current Draw - Output 1 Active 65mA@12VDC Current Draw - Output 1 & 2 Active 66mA@12VDC Current Draw - Total Max 100mA@12VDC Output- #2 Transistor Ground 100mA@24VDC Output 1 1A@30VDC Output - Duress 100mA@24VDC Output - Interlock 100mA@24VDC Output- Tamper 50mA@24VDC IP Rating IP66 Input - Egress N

and user tags

IC: 3043A-4CFFTXA

and ¾” offset pivots

Dahua / Accessories / Pinhole Pickup / Omni-Directional / 104dB / 12VDC / DH-HAP100 OPS_AL_Networx and several other makes/models thatDH HAP100 Omni directional, High fidelity Condenser Microphone Pinhole Design for Discreet Installation 30 KV Air Contact ESD with Built in Lightning Protection Power Supply Polarity Reversal and Electrostatic Protection Best Fit for Spaces Between 5 m (16. 40 ft) to 40 m (121. 23 ft) Technical Specifications Scope 5. 0 m (16. 40 ft) to 40. 0 m (121. 23 ft) Sensitivity 40 dB, (45 dB to 20 dB, adjustable) Frequency Response 20 Hz to 20 KHz Directional