A Smart Key Box with Bluetooth & Remote App Control 3 Permission Levels: Permanent, Time-limited, One-time LOCK BOX FOR HOUSE KEY: Now your family and friends can always have a backup key if needed. No more worrying about lost keys! You can also let service professionals (plumbing, gardeners, cleaners, dog walkers, etc) into your home with zero hassle. LOCK BOX FOR YOUR BUSINESS: Store the keys in the lock box, and through the mobile APP, you can generate PIN codes and Bluetooth keys to your guests REMOTELY from wherever you are. LOCK BOX FOR OUTDOOR: Larger storage even for car keys, driving license and credit card, use this key lock box for your car keys and items when you are going swimming or surfing etc. Two Ways To Grand Access Way 1: Generate PIN codes on the "Populife" App, and share them remotely with your guests through text messages. Way 2: Share the digital key and let your guests unlock the Smart Keybox in Populife App via Bluetooth. * You can check all access history via Bluetooth in Populife App 4 AAA Alkaline batteries Populife key box will also give you a battery alert when it reaches 20% power. That way you always know when to replace the batteries and don’t get stuck with a dead lock box. External Emergency Battery! If for some reasons the batteries do die on you, Populife key box lets you connect an external 9 Volt battery to provide emergency power. IP66 Waterproof IP66 waterproof and weather resistant between -13℉—149℉（-25℃- 65℃）. Safe Alloy Steel Lock Box Hardened alloy steel key box body and a 4-10 digits password ensure its security. Larger Storage Enough space for up to six physical keys or seven keycards or two car keys. BLE Technology 4 AAA Alkaline batteries give you up to 10,000 lock/unlock operations (approx. 12 months) WIFI lock box Upgraded smart lock box Upgraded electronic lock box Electronic lock box Model NO. KB2 K2 E2 E1 Sale 159.99 129.99 59.99 49.99 Box Body Material Alloy Steel Alloy Steel Alloy Steel Engineering Plastics Weight 2.64 pounds 2.31 pounds 2.31 pounds 1.33 pounds Request App? YES YES NO NO Grant Access Remotely? YES YES NO NO Need Wifi? YES NO NO NO Remote Control? YES NO NO NO