150° WIDE ANGLE: The IP camera lens supports 150° wide angle, allowing you to have a complete field of view. Make the overall situation under control and bring you a sense of security. | 2.5MM F VALUE HIGH DEFINITION: This IP camera lens is 2.5 mm F value high definition, providing you with a super clear field of view, allowing you to observe the surrounding situation clearly. | 2.1MM FOCAL LENGTH: This CCTV camera lens adopts a 2.1mm focal length to make every detail clear, without missing any information, thereby avoiding danger and providing you with security. | INFRARED LENS: This CCTV lens supports night vision function and can provide you with 24-hour protection. It can also capture images clearly in the dark. You can choose with confidence. | ACCURATE COMPATIBILITY: This M12 * 0.5 lens is widely applicable to 1/3-inch and 1/4-inch CCD chips, with no jamming or conflict, strong compatibility and wide application range.

12 KINDS OF VOICE BEAUTIFICATION:This voice changer has 12 kinds of voice beautification/voice change/K song functions, as well as a fine-tuning function, which can fine-tune the beautification/voice change | 8 FIXED SOUND EFFECTS: This Fine-tuning Sound Changer adds 8 fixed sound effects, suitable for live broadcast/entertainment/subtle. Universal sound card, suitable for mobile phones and computers | ONE-CLICK VOICE CHANGE: One-click voice change, male/female/baby voice/boy voice can be switched freely, supports fine-tuning, matches more voice lines, and the voice is more vivid | SOUND IS MORE BEAUTIFUL: This Sound Card supports multiple voice conversion, supports multiple languages, mobile phone voice converter makes your voice more beautiful | AFTER-SALES SERVICE: If you have any other questions or suggestions about our products, you can contact us at any time, we will answer and improve as soon as possible, and hope you have a pleasant shopping experience

SENSITIVE SENSOR: High-performance, maintenance-free optical fingerprint sensor. Any finger at any time. The product uses optical fingerprint scanning technology to provide excellent image quality and product reliability. | HIGH-QUALITY MATERIAL: High-quality industrial-grade ABS plastic material with scratch-resistant surface texture. Removable counterweight bracket. High-speed USB interface, LED indicates device status. Provide SDK for secondary development. | USB FINGERPRINT SENSOR: This USB fingerprint sensor is designed for special applications and developer tools. The onboard electronic device will calibrate the device and encrypt the image data, and then send it through the USB interface. | STRONG SENSITIVITY: The user only needs to place his/her finger on the illuminated sensor window, and the device can quickly and automatically capture fingerprint images,which meets your needs. | GUARANTEE: If you have any questions about our products, you can ask us at any time. Our customer service will answer your questions and provide you with solutions so that you can enjoy a better shopping experience.