Technical Specifications Product Name Z-Wave Keypad Lock Powered by 4xAA High-quality alkaline - 8,000 normal uses without using the Z-Wave chip. The length of battery life will decrease when using the Z-Wave chip. The item "Keypad Door Lock, Keyless Entry, Z-wave Smart Home Device, Wirele" is in sale since Friday, March 22, 2019. This item is in the category "Home & Garden\Building Materials & DIY\Doors & Door Hardware\Door Locks & Lock Mechanisms".things" and is located in Mosman, New South Wales. This item can be shipped worldwide.