Description: Suitable for car bus and safety output. Cars, motorcycles, electric vehicles, forklifts, excavators, buses. Has a wide range of usage. Specifications: Name: New Car Start Voice DIY Item model number: YX72 Power supply: DC 6-30V Working temperature: 20C-70C Output power: 3W/4 File format: MP3 format (bit rate Package List: Car Start Voice*1 See more product details 1.Reliable Quality - Made of exquisite ABS material, advanced design technology, cool and fashionable appearance. The adjustable voice speaker is reliable. It can be used in cars, buses, or taxis as a voice reminder to passengers. 2.Simple to Use - The product is easy to use. Load MP3 files into the internal flash memory of this product via a USB port connected to a computer through a USB cable. Very convenient to DIY the voice files that the product play. 3.Button Trigger - 4 trigger channels and a USB port. Can download music or voice files from the computer to the product through the USB port and a USB cable. And there are 4 cables of the product. Can connect with 4 trigger buttons to play different voice files. 4.Multi-function - Trigger mode can be easily set by the configuration file. Activate the sound by the negative trigger, negative pulse, or GND. That is totally according to the users. 5.Wide Usage - Suitable for car bus and safety output. Cars, motorcycles, electric vehicles, forklifts, excavators, buses. Can be widely used as a voice reminder. _x000D_