[K19 Model] Cat eye network + red bronzing +4200 super battery life + lock body + door bracelet | 【S18 Face version 】3D face + HD visual + video surveillance + temporary password + independent APP | [WEilai Cat Eye Edition] HD cat eye + capture + electroplated bright silver +4200 super long life + send lock body + send door bracelet | [Rhyme of Light 3D face] Infrared face recognition + wandering snap + silent lock body + temporary password | [CQ Basic model] Metal ash +3200 rechargeable lithium battery - lock body | [S18 Supreme Edition] HD cat eye + video surveillance + lock body + door bracelet + metal bright surface | All models can be wholesale [piece] [single shot not issued] | [CQ Upgrade] Cat eye network + metal gray +4200 super battery life + lock body + door bracelet | [X9S face model] Infrared face +4200 super battery life + send lock body + send door bracelet | [WEilai Face Edition] HD cat eye + stay capture + electroplated bright silver +4200 super battery life + send lock body + send door bracelet