【Simple Setting】Supports one button switching function of multi display interface, user defined standing wave alarm setting function, and user defined shutdown delay time setting function | 【Clear Display】240 x 240 full color HD display, directly reading multiple parameters of forward and reverse power standing wave | 【Working Safety】Power standing wavemeter supports delayed shutdown function, automatic function, battery undervoltage protection function, LED dual indication function | 【Convenient Adjustment】Supports power fine tuning function, standing wave fine tuning function, Chinese and English menu one key switching function, buzzer one key on and off function | 【Easy Carrying】Comes with a compact size and a light weight as well, the SWR meter enables easy carrying and storage for indoor and outdoor use

【Improve Bass Sag】: Bass inductor and polymer magnet greatly improve bass sag. Exquisite finish and very sophisticated materials. | 【Equip Components】:Come with reasonable line and high standard components, help to get correct sound. | 【Plastic Shell】:High gloss double heat deflection dissipating ABS plastic shell is with beautiful, generous and bright colors. | 【Easy To Use】: just connect the corresponding wiring, then tighten the screws immediately. | 【Protection Device】:Overcurrent protection device is equipped with high frequency capacitors, an excellent sound enhancement tool.

【Hold Many Fingerprints】: Fingerprint scanner can hold 1000 fingerprints, set fingerprints for multiple accounts, set fingerprints for each family member using a separate account, and automatically log in to their own accounts through fingerprints. | 【Multifunctional】: Multi functional design, fingerprint collection, fingerprint registration, fingerprint matching and fingerprint search can be done independently. | 【360 Degree Auto Calibration】: 360 degree auto calibration and recognition function, press the correctly registered finger at any angle on the module to complete the comparison. | 【Wide Application】: Mini fingerprint reader is used for fingerprint access control machine, fingerprint root search, fingerprint attendance machine, fingerprint storage cabinet, one touch automatic operation, fingerprint printing, fingerprint lock, fingerprint security. | 【Compact Structure】: Computer fingerprint reader is compact, easy to carry and store, low power consumption, universal interface, high reliability and easy to operate.

★【Durable Stainless Steel Material】--- Camera lens repair tool adopts high quality stainless steel material and CNC processing, solid, durable and rust resistant | ★【Application】--- Professional maintenance tool for film lens, telescopes lens, surveying prism lens, microscopes lens, spotting scope lens etc. Suitable for disassemble the lens range 10-130mm/ 0.39-5.12 inches | ★【Easy to Use】--- Unique dual-tip design, one pointed and one flat, considerate and convenient to use | ★【Safety】--- No need to change the tip, connected fixedly and safely. Lightweight, Portable, Easy To Carry. | ★【Easy to Adjus】--- It is easily adjust the jawing opening by one screw

【ONE-CLICK VOICE CHANGE】One click male voice becomes female voice, one click female voice becomes male voice. Portable mini voice changer device sound card can realize one-key male and female voice mutual change, voice disguiser is very suitable for anchors | 【AUDIO CARD SOUND CHANGER】Audio card sound changer can change your voice anytime, anywhere, call with friends, chat on for WeChat, live and sing, etc. Use the audio card to make life more fun | 【INTERACT WITH TEAMMATE ANYTIME】udio card sound changer can be plugged into the computer phone to use. It is more fun to interact with teammates anytime, anywhere while playing games | 【MULTIPLE CHANGES】Audio card sound changer has the 4 sound effects and 4 voice changes. You can choose the sound you need according to your needs, audio and voice change is very interesting | 【QUALITY ASSURANCE】If you have any questions about handheld microphone voice changer sound effects machine during use, please contact us directly, and we will have professional customer service to solve the problem for you within 24 hours