Adult has one triangle on top, eyelid protrudes forming sharp edges, dark look in their eyes is red. The body is dark brown, but each part of the body has a distinctive color. Males have morphological criteria smaller of those of females. The adult head length by 0.35 body length (HL/SVL: 0.27-0.41) and by 0.94 head width (HL/HW: 0.76-1.06) in males. In female, head length 0.36 in body length (HL/SVL: 0.33-0.36) and 0.91 of head width (HUHW: 0.84-0.95). The call of males lasts for 0.12 s with the 26 sound. The sound intensity are equalize, ranging from 114.3 to 145.6dB and reduce at the end negative in call.