MULTI CHANNEL SOUND CHIP: Computer internal sound cards use CMI8738 5.1 multi channel sound chip to easily convert PC into a movie entertainment system. | 6 CHANNEL SURROUND SOUND: The PCI E sound card adopts PCI Express bus slot and supports 6 channel surround sound output. | DLS SOUND LIBRARY TECHNOLOGY: Sound cards support DLS sound library technology, support A3D 1.0 and DS3D, and are compatible with 3D and EAX sound effects. | 24BIT 48KHZ SAMPLING RATE: The sound sampling rate is 24bit, 48KHz, supports playback and recording, is made of PCB material, and has high reliability. | SCOPE OF APPLICATION: Sound cards provide surround sound field and clear sound quality, suitable for home theater, large scale 3D games, listening to music, karaoke and other entertainment.

PURPOSE OF USE: Frequency divider will be different bands of sound signals to distinguish, respectively, to amplify, sent to the corresponding frequency band of speakers and then play again. | EASY WIRING: 2 way speaker crossover with terminal block, convenient wiring, suitable for a variety of 15‑18 inch professional conference or stage speakers, etc. | HEAT DISSIPATION: Speaker crossover filters use large capacitors, ultra high power inductors and resistors. Resistors are high power special aluminum film resistors, better heat dissipation function. | CLEAR TREBLE: Frequency divider built in insurance to preserve the treble, use the treble clear and bright and protection in place. In the sound playback, electronic crossover processing is required. | REASONABLE DESIGN: 2 way speaker crossover is very easy to use, reasonable design, beautiful appearance, longer service life, can meet your different needs.

4.7GB MEMORY CAPACITY: These DVD R blank discs possess 4.7GB memory capacity for the storage of videos, musics and photos, etc. | 16X HIGH SPEED: These recordable media discs can record the files at the speed of 16X, support up to 1550 photos and 2 hour movie or videos. | WIDELY COMPATIBLE: These blank DVD R are widely compatible with most DVD R and DWD R drivers. | LONG STORAGE LIFE: These DVD R discs provide lasting data archiving and storage life, supports reading up to a million time. | DURABLE MATERIAL: These DVD R media discs are made of premium PC material, which is sturdy and highly durable, not easy to break.

【360 DEGREE DETECTION】Can read 360 degree fingerprints from any angle, 10 fingerprints can be set for each user account, fingerprints can be set for multiple accounts, each family member uses a separate account to set fingerprints for automatic recognition. | 【SELF-LEARNING ALGORITHM】Automatically improve fingerprint information after each successful recognition, adapt to the subtle changes of fingerprints, continuously improve the recognition rate, the more you use it, the more sensitive it becomes. | 【QUICK LOGIN IN 0.5 SECONDS】Verify fingerprints in 0.5 seconds for faster and more secure login. Faster and safer detection and verification through intelligent learning algorithms. | 【SMALL AND PORTABLE】It is small enough to carry around. Plug the fingerprint reader into your computer's USB port for fingerprint recognition and login. | 【ADVANCED PROTECTION】Securely protect your login and data with the most advanced fingerprint security device, if you have any questions about this product, please feel free to contact us.

WIRELESS TRANSMISSION: Users can use multiple wireless transmission modules for data transmission without laying too many long signal transmission lines | EASY TO USE: The module only needs to be powered on and connected to the RS485 equipment to realize data transmission between each other, which is very convenient | STABLE CONNECTION: You can operate the RS485 device at a remote end to prevent data transmission failure due to signal rust, broken connections, or poor contact | EASY TO OPERATE: The module only needs to set two parameters, which can be set through the dip switch, simplifying the parameter setting process, very user friendly | WORKING PRINCIPLE: The data signal received by RS485 can be converted into wireless signal, wireless communication in a certain distance and the other end of the wireless transmission module, the other end of the wireless transmission module to receive wireless signal, and then converted into RS485 signal output