DIY for Time Delay Switch Module Controlled by Sound and Light DC3V-30V for Smart Light Control Switch Sound Activated S

Features: brand new and high quality High sensitivity, stable performance and durability. Used in corridors, bathrooms, warehouses, stairs, etc. The sensor is in a dormant state under light conditions, such as during the day. If the sensor has a sound, the control light will be on for about 30s. It can be controlled by any sound, and it can work in a dark environment, such as at night.

Specifications: Material: ABS Style: with for Shell/without for Shell Size: Approx. 22x18mm/0.86x0.7inch Working Voltage: for DC 3-30V Sensing Range: 20 Decibels Load Power: 5W Delay Closing Time: 30S

Package Includes: 1x Photosensitive Voice Switch Module

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.