With this splashproof key switch you can easily open and close electric sliding doors, fences, swimming pool covers, etc. The key switch has three positions (1-0-2) and the key can be removed in any position. Two keys (with engraving KN203) are delivered as standard with the order. The key switch is compatible with all Niko Hydro flush-mounting and surface-mounting boxes. The entire unit is splashproof which makes it extremely well-suited for use in damp areas and ammonia-rich environments.