Smart Keyless Door Lock - 4 Remote Controllers & 4 Unlocking Modes | Easy Installation Home Security Lock for House, Office, Hotel & Dormitory | High Security & Modern Design | Perfect for Front Doors, Rental Properties & Vacation Homes

Specification: Condition: 100% Brand New Material: Zinc alloy Color: As Pictures Shown Four unlocking mode: Remote control unlocking, Manual rotating unlocking, Indoor one-key unlocking, Mechanical emergency unlocking Power supply: 4 * AA batteries (Not included) Battery service life: lasts for one year Installation method: screw / rivet installation, adhesive paper Remote control: 4 in this package, max match up to 32pcs Remote control battery: 2032 large button battery Operating temperature: -20 ℃ to 60 ℃ Operating humidity: 5%-60% (no frost condition) Item Size: As Pictures Shown Package Weight: Approx. 900 g Package Include: 1 * Lock (Main Body and Lock Tongue) 1 * Antenna 4 * Remote Controller 4 * Bags of Screws and accessories 1 * Manual

Four unlocking mode: Remote control unlocking, Manual rotating unlocking, Indoor one-key unlocking, Mechanical emergency unlocking, more convenient to use, ensure your home security.

Four unlocking mode: Remote control unlocking, Manual rotating unlocking, Indoor one-key unlocking, Mechanical emergency unlocking, more convenient to use, ensure your home security.

Independent dual electronic drive system, imported dual motor, more reliable.

Simple and convenient installation: equipped with installation accessories, very practical.

Low voltage alarm: Remind you to change batteries.

Power saving control mode, low power consumption, 4 * AA batteries (Not included) can offer about 1 year work. An ideal equipment for home, offices, hotels, apartments, restaurants, dormitories and so on.