{"product_id":"smart-fingerprint-password-induction-lock-m4-with-zinc-alloy-construction-semiconductor-fingerprint-module-30-group-capacity-0-5s-recognition-speed-key-unlock-black-finish-aaa-battery-powered-for-home-security-use","title":"Smart Fingerprint Password Induction Lock M4 with Zinc Alloy Construction, Semiconductor Fingerprint Module, 30 Group Capacity, 0.5s Recognition Speed, Key Unlock, Black Finish, AAA Battery Powered for Home Security Use","description":"\u003ch1\u003eM4 Smart Fingerprint Lock with Zinc Alloy Body and 30-Fingerprint Capacity\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/1184222351094.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis smart fingerprint lock model M4 offers a practical solution for home security, combining fast biometric access with a traditional key backup. Designed for everyday convenience, it eliminates the need to carry keys while providing reliable entry for up to 30 registered users. The lock's compact 145 by 65 mm dimensions fit standard door cutouts, and its zinc alloy construction ensures a solid feel. With a 0.5-second recognition speed, it is suitable for family homes or small offices seeking key-free entry without complex wiring or smart home integration.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/1388342594891.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe lock is built around a semiconductor fingerprint module and a zinc alloy housing. Its design focuses on straightforward operation and physical durability.\u003c\/p\u003e\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\u003cp\u003eThe lock body is made from zinc alloy, giving it a robust, matte black finish. The semiconductor acquisition module is used for fingerprint capture, offering consistent reading across the 30 stored fingerprint templates.\u003c\/p\u003e\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\u003cp\u003eMeasuring 145 mm in height and 65 mm in width, the lock is designed to replace or retrofit onto standard doors without major modification. The compact form is suited for both interior and exterior doors in residential settings.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/1545382002782.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis lock is intended for residential or small office doors where quick, key-less access is beneficial. It operates within an ambient temperature range of -20° to 55° Celsius.\u003c\/p\u003e\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\u003cp\u003eWhile primarily a home device, it can be used in small office or rental property settings where controlling access via fingerprint is practical. The 30-group capacity suits teams or family groups.\u003c\/p\u003e\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\u003cp\u003eFor daily home use, the lock eliminates the need for physical keys, allowing family members to enter using fingerprints. The key backup ensures access if batteries run flat.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/1598746374888.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe lock offers straightforward operation with a 0.5-second recognition speed, reducing wait times at the door. It runs on standard AAA batteries, making power replacement easy.\u003c\/p\u003e\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\u003cp\u003eThe lock requires minimal maintenance beyond periodic battery changes. The zinc alloy body resists wear in normal indoor or covered outdoor use, and the semiconductor module has no moving parts to adjust.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eThis lock provides a balance of speed, capacity, and physical build quality. It is a reliable choice for users who need fingerprint entry with a simple key backup, without requiring network connectivity or app control.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/285919276414.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"M4 smart fingerprint lock in black with zinc alloy body and key slot\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3286\/2025-10-16\/original-image\/3715690042972.webp\"\u003e\u003c\/div\u003e","brand":"test88822htw2v0lwx","offers":[{"title":"Black","offer_id":59147105075531,"sku":"CJJZJYJD00296-Black","price":102.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/4753\/7227\/files\/1388342594891.webp?v=1793908027","url":"https:\/\/zenithtrove.co.uk\/products\/smart-fingerprint-password-induction-lock-m4-with-zinc-alloy-construction-semiconductor-fingerprint-module-30-group-capacity-0-5s-recognition-speed-key-unlock-black-finish-aaa-battery-powered-for-home-security-use","provider":"ZenithTrove","version":"1.0","type":"link"}