𝑩𝒂𝒕𝒕𝒆𝒓𝒚 𝑯𝒐𝒍𝒅𝒆𝒓 𝑻𝒚𝒑𝒆: 2 AA battery holder with switch, 3V battery holder with on/off switch.
𝑩𝒂𝒕𝒕𝒆𝒓𝒚 𝑯𝒐𝒍𝒅𝒆𝒓 𝑽𝒐𝒍𝒕𝒂𝒈𝒆 𝑶𝒖𝒕𝒑𝒖𝒕: 3V, 2 x 1.5V AA battery holder= 3 volt battery holder with leads; 𝑩𝒂𝒕𝒕𝒆𝒓𝒚 𝑯𝒐𝒍𝒅𝒆𝒓 𝑺𝒘𝒊𝒕𝒄𝒉 𝑭𝒖𝒏𝒄𝒕𝒊𝒐𝒏: ON/OFF switch on 3 volt battery case holder.
𝑺𝒊𝒛𝒆: 3 volt battery holder dimensions is 2.66 x 1.32 x 0.71 inches (67.6 x 33.6 x 18.2 mm); 𝑪𝒂𝒃𝒍𝒆 𝑪𝒐𝒍𝒐𝒓: red and black.