The CM-336-40 from Camden Door Controls is a battery powered touchless switch, wireless, hand icon. The SureWave family of touchless switches by Camden lead the industry in performance, quality and value - with a range of features unmatched by any other on the market. CM-336 touchless switches offer the longest battery life, up to 100 activations per day for 4 years, with an option for even longer battery life using lithium batteries. SureWave CM-336 wireless switches are compatible with Camden’s Lazerpoint RF family of 915Mhz. spread spectrum wireless products.