$20.99, located in Hacienda Heights, California, USA (917**), item #404876655576
If it is because the switch is not hit well, you can use tape to fix and thicken it. [Laser color]: red light. [Laser Wavelength]: 630-660nm. [Spot divergence angle]: <2mard. 1Pcs Iron Box. 4Pcs Rubber Parts.