Smart WiFi Door Lock - Wireless Remote Control, Anti-Theft Home Security System for Indoor Safety | Easy Installation & Alexa Compatible | Perfect for Apartments, Rentals & Smart Homes

Feature:1. When the battery level is too low, the LED light flashes and an alarm sounds to remind you to replace the battery. When the power is used up, it will automatically unlock.2. Simple and convenient installation, no additional wiring is required.3. Made of high-quality zinc alloy material, durable and stable.Specification:Condition: 100% Brand NewItem Type: Remote Control LockColor: As picture ShownBrand: WAFUHost:Power Supply: 2 x AA Batteries (Not Included)Transmission Frequency: 433mhz (± 500khz)Operating Range: Within 20 Meters/65.6ftUnlock Mode: Remote Control Unlock, Mobile Phone Wifi Remote UnlockMaterial: Zinc AlloySize: Approx. 15.5 x 8 x 3.5cm/6.1 x 3.1 x 1.4inRemote Control:Single Remote Control Battery: 1 x CR2032 3V (included)Quantity: 4 (Included)Maximum Number of Controllers: 16 (Not Included)Function: Lock and UnlockColor: SilverSingle Remote Control Size: Approx. 6 x 3 x 1cm/2.4 x 1.2 x 0.4in Package List:1 x Remote Control Lock1 x Wifi Adapter1 x Lock Body Bracket1 x Buckle4 x Remote Control1 Pack of Mounting Screw1 x USB Cable3 x Fixed Tape1 x Instruction