WAFU HF-018W WiFi Smart Electronic Lock Tuya / SmartLife Lock Remote Control Invisible Keyless Entry Door Lock Zinc Alloy Metal Smart Door Lock iOS Android APP Unlocking with 2 Remote Controllers

NOTE: With WIFI Adapter, can achieve remote control the lock by phone APP.
Features: *No lock hole design, it completely abandons the traditional key and lock, open and close by remote control or phone APP (Tuya / SmartLife), realized real security. *Tiger lock method, more safe and stable. No keyholes outside, there is no way for thieves. *Add USB external power source function. Make sure the lock works when battery was dead (battery not included).
*Three unlock modes optional: Phone APP unlock, Remote control unlock, Indoor emergency button unlock. *Easy installation on all kind of doors, very convenient.
Specifications: Host
Machine: Power
Supply: 2*AA batteries (not included)
Transmission Frequency: 315MHZ (500KHZ)
Operation Range: Within 15m
Unlock Mode: APP unlockRemote control unlock indoor emergency button unlock
APP Support: iOS/Android
Color: Silver, Blue with Silver, Blue with Gold (Optional)
Item Size: 15.5 *8* 3.5 cm Item
Weight (without accessories): 529g
Remote Controller:
Quantity: 2PCS, 4PCS (Optional)
Power Supply: Lithium button battery (included)
Function: Lock unlock Item
Size (Each): 6*3*1cm Item
Weight (Each): 25g
Package List: 1* Lock 1* Lock Body Holder 1* Lock Catch 1* USB Power Cable 2/4 Optional* Remote Keys 1* WiFi Adapter 1* Bag of Mounting Screws 1* User Manual (English)