Echolocator
From Inkipedia, the Splatoon wiki
The Echolocator is a Special Weapon in Splatoon. It is similar to the Point Sensor but it lets you and your teamates see all the enemies in your range, rather than one enemy.
The Echolocator is a Special Weapon in Splatoon. It is similar to the Point Sensor but it lets you and your teamates see all the enemies in your range, rather than one enemy.