Tender For supply of led smart interactive display panel of size 65 inch , led digital standee of size 55 inch , air purifier should have the capacity cadr 400-500 cubic meter per hr to removes contaminants from the air in a room improve indoor air quality , wire locator designed to locate the path of non energized wires behind walls and underground also capable to locating specific circuit breaker pinpointing wire before drilling and verifying dig sites , digital lux meter compact hand light meter for measurement of lighting condition complete. , electrical screw driver of following specifications chuck diameter 6mm rated voltage 230v, 50 hz rated input power 500w.