To provide a wireless switch transmitter in which the number of components is reduced and thickness dimension is reduced.

The wireless switch transmitter is provided with a box-shape base 20 with a base opening 21 provided in the front, a plate-shape cover 30 which closes the base opening 21, a push-button switch 51 which has an operator 51a to be pushing operated and is installed in the base 20, and a light-emitting element 52 which outputs a wireless signal when the operator 51a of the push-button switch 51 is pushing operated. The cover 30 is provided with a fixing portion 31 of plate shape which is fixed to the base 20 and an operating handle portion 32 of the plate shape which closes the base opening 21 together with the fixing portion 31 and of which one end part is coupled to the fixing portion 31 through a hinge and the other end part can move in front and rear direction. The operating handle portion 32 has an operating face 32a to be pushing operated in the front, and pushes the operator 51a of the push-button switch 51 upon pushing operation.