1Intelligent operation, this voice prompt is infrared human body sensor, you can control this machine through WeChat applet to upload the voice you want which makes operation and voice replacement faster and more efficient, eliminating the trouble of replacement. 2You can set the timing to play different voices at different times, eliminating the need for complicated disassembly work, and making the intelligent voice prompt system convenient to your life. 3Sound control, high decibel, high volume, fast and remote adjustment, so that the notice can be effectively communicated. 4Safety voice prompts help safe production, allowing people to comply with safety codes of conduct in real time. 5Has multiple trigger mode options, "infrared human body induction trigger", "relay output control" and "external input trigger" 6Music customization, voice prompts can be customized to meet your voice and music playback requirements for various scenarios. 7Supports Bluetooth to change music, allowing you to customize the exclusive scene as you like.. 8Wide range of application. It can be installed at the entrance of a construction site to remind workers, can be installed in railway stations to remind passengers, can be installed in subway stations to remind passengers to wait in line, can be installed in supermarkets and used for supermarket promotions and safety instructions, can be installed in playgrounds, can remind visitors of precautions and wearing instructions. Conditon: 100% Item Type: Voice Prompter Material: ABS Plastic Color: As Pictures Shown Power Plug Input: AC100V-240V 50Hz-60Hz Power Plug Output: DC12V2A Host Power Supply Mode: DC12V/2A (Power Plug Current is Greater than Host Current) Host Size: Approx. 27 x 20 x 9cm/10.6 x 7.9 x 3.5in Working Current: Sleep State: 880A Playback Status: 500mA Standby State: 18.4mA o Format: MP3, Bit Rate: 8-320Kbps o Output Power: 8/10W (Typical Value) Sensing Range: Approx. 4m/13.1ft Alarm Sound: 100dB Bluetooth Effective Distance: Approx. 10m/32.8ft (Barrier-Free) BasicFunction: Button Name Operation Mode Realization Function Status A Button Short Press Volume 6 level loop adjustment None A Button Press the button for 3s start recording with a "di" sound, The red light flashes once Use the phone player for voice recording, Press the short A button again to exit the recording B Button Short Press Nextsong (can be looped) None B Button Insert theUdisk and press and hold for 3s Udisk voice copy The red indicator light flashes 1 x Voice Prompter Host (DC12V/2A)1 x Basic Operating Instructions1 x Power Plug (AC100V-240V) Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.