Description The ER-1215 is an easy-to-operate, hand grip type megaphone rated at 15 W of output. Handle and microphone with anti-bacteria treatment improve hygiene and safety during use. The newly developed polyimide diaphragm is employed to ensure high sound quality. Specification Power Source R14P (C) × 6 (9 V DC) Rated Output 15 W Maximum Output 23 W Battery Life Approx. 14 hours (JEITA)* Audible Range Approx. 315 m (JEITA)* Diaphragm Polyimide film (voice coil, bobbin) Anti-bacteria Treatment Mouth and handle Operating Temperature -10℃ to +40℃ Finish Horn: ABS resin, light grayMouth, battery case and handle: ABS resin, grayStrap: Nylon, black Dimensions 210 (W) × 291 (H) × 346 (D) mm Weight 1.1 kg (without batteries) Note: Batteries are optional.* JEITA: Japan electronics and information technology industries association. (EIAJ TT-4501A)