Tips: This lock requires 4AA batteries but our package does not include batteries and requires additional purchase. Enhance your home security with the Revolo Keyless Entry Smart Deadbolt. This versatile lock features keyless PIN code entry and mechanical access for added convenience. With auto-lock and one-touch locking your home remains secure. Crafted from durable weather-resistant zinc alloy it lasts over 30 years. Its sleek design fits any entryway while customizable access codes and easy installation make it user-friendly. Plus you’ll benefit from reliable customer support from Revolo.