These are designed to use indoor light.

这些设计用于使用室内光。

I also want to put a timer on our indoor lights and a better deadbolt for the front door.

马丁：我还想在我们的室内灯上安装一个计时器，并为前门安装一个更好的锁舌。

This is why we have such a hard time falling asleep because at hours way past sunset, we still have these screens and indoor lights blasting us with a ton of white light.

这就是为什么我们会如此难以入眠，因为在日落数小时之后，我们还是有这些荧幕和户内电灯，它们发射许多的白光照射着我们。

A timer on your indoor lights would automatically turn, say, a lamp or other light on inside your house so that people think that there is someone home, there is someone inside your house, even when you're not there.

你室内灯上的定时器会自动打开，比如说，你屋子里的一盏灯或其他灯， 这样人们就会认为有人在家， 有人在你屋子里， 即使你不在。

Martin says, " I also want to put a timer on our indoor lights and a better deadbolt for the front door." A " timer" (timer) is a device, a little machine that automatically turns something on or off at a certain time every day.

Martin 说，“我还想在我们的室内灯上装一个定时器， 并为前门装一个更好的门栓。” 每天。