Built in daylight sensor ensures the light will only operate in darkness in AUTO mode. And the batteries should have enough energy.
All batteries must be the same type as mentioned;
Do not mix alkaline, standard, or rechargeable batteries;
If battery contents are leaking, discontinue use and discard;
Do not mix old and new batteries;
Remove the batteries if they are exhausted or it should be long period unused;
If you have any doubts about the installation, seek the services of a qualified installer;

Specifications:
Material:ABS
LEDs: 9 LED
Sensor sensitivity angle: 120 degrees
Sensor sensitivity distance: 2-3 meters
Delay time: 25-30 seconds
360 degrees rotating head for angled use
Includes mounting bracket and fixings
Powered by 3*AAA batteries(not included)

How to replace batteries?
1. Remove sensor light from the base unit;
2. Twise the light to open it (align the arrows);
3. Remove the exhausted batteries and insert 3 new AAA batteries (ensuring the correct polarity);
4. Join the two parts and twist to lock, regroup with the base unit;
Operation Instructions:
1. Set the switch to ON: to make the lamp light continuously;
2. Set the switch to OFF: to turn off the light completely;
3. Set the switch to AUTO: to activate the automatic light mode; as soon as a movement is detected 2-3 meters away, the lamp will turn on for about 25 seconds and then turn off automatically to save the energy.

Package Content:
1 x Motion Activated Cordless Sensor LED Light