... .5*40 Touch control Color:Blue, Pink, Silver. Material: Stainless steel led desk reading lamp Power:3WLED Quantity:0.5*40Touch ... Automatically delay time,adjustable optical controller. Auto-induction:Light on when people come,light off after people leave automatically.PIR sensor, ... ,starting up at 10±5 lux Time-Delay automaticallyAfter light on,time delay initalization default is 30±5 seconds, ...